The correct answer is option 'A', which is "The Long Walk to Freedom." This autobiography was written by Nelson Mandela himself and was first published in 1994. Mandela's autobiography is widely regarded as one of the most important and influential books of the 20th century.

The book chronicles Mandela's life journey, from his childhood in a rural village to his political activism and imprisonment for 27 years, and finally to his election as the first black President of South Africa. It provides a detailed account of Mandela's experiences and the struggles he faced during the apartheid era in South Africa.

The title "The Long Walk to Freedom" is symbolic and reflects Mandela's belief in the power of perseverance and determination. It signifies the long and arduous struggle for freedom and equality that Mandela and his fellow activists endured.

The book is divided into several parts, each representing a different phase of Mandela's life. It begins with his early years and education, followed by his involvement in the African National Congress (ANC) and the fight against apartheid. Mandela also shares his experiences as a political prisoner on Robben Island and his subsequent release.

Throughout the autobiography, Mandela reflects on his personal growth, political ideologies, and the impact of his actions on the anti-apartheid movement. He also discusses his relationships with other prominent figures such as Oliver Tambo and Winnie Mandela.

"The Long Walk to Freedom" provides a comprehensive account of Mandela's life, allowing readers to gain a deeper understanding of his struggles, sacrifices, and ultimate triumphs. It serves as a testament to the power of resilience, forgiveness, and the pursuit of justice.

In conclusion, "The Long Walk to Freedom" is the autobiography of Nelson Mandela, offering a compelling narrative of his life and the fight against apartheid. It is a must-read for anyone interested in history, social justice, and the resilience of the human spirit.

The long walk of freedom because he had to struggle to get his country free from all the discrimination based on religion,caste or colour.