In the context of slum children, the correct answer is option D - because of no access to hope and openness of the world. This answer highlights an important aspect of the lives of slum children that sets them apart from others. Below, we will delve deeper into why this is the case.

Lack of Access to Hope:
Slum children often grow up in environments characterized by poverty, overcrowding, and limited resources. The challenging circumstances they face can lead to a lack of hope for a better future. Without access to basic necessities, quality education, and opportunities for growth, these children may struggle to envision a brighter tomorrow. This lack of hope can have a significant impact on their overall well-being and motivation to work towards a better life.

Absence of Openness to the World:
Slum children typically have limited exposure to the outside world beyond their immediate surroundings. They may lack access to information, technology, and experiences that could broaden their horizons and provide them with a more comprehensive understanding of the world. This limited exposure can result in a narrow perspective, limited aspirations, and a restricted sense of what is possible for them to achieve.

Consequences of No Access to Hope and Openness of the World:
The absence of hope and openness in the lives of slum children can have several consequences:

1. Limited Aspirations: Without exposure to a wide range of opportunities and experiences, slum children may have limited aspirations for their future. They may struggle to dream big or believe in their ability to break free from the cycle of poverty.

2. Lack of Motivation: The absence of hope can lead to a lack of motivation to pursue education or take steps towards personal development. The belief that their circumstances are unlikely to change can result in a sense of resignation and a lack of drive to improve their lives.

3. Restricted Opportunities: Slum children may face limited access to quality education, healthcare, and other essential services. This lack of access further perpetuates the cycle of poverty and restricts their opportunities for advancement in life.

4. Emotional and Psychological Impact: Growing up without hope and openness can have a profound emotional and psychological impact on slum children. They may experience feelings of frustration, helplessness, and a sense of being trapped in their current circumstances.

Conclusion:
The absence of hope and openness of the world sets slum children apart from others. It limits their aspirations, motivation, and opportunities for growth. Addressing these challenges requires a multi-faceted approach that includes providing access to education, healthcare, and other basic necessities, as well as fostering a sense of hope and creating opportunities for exposure to the broader world.