Answer:
The correct answer is option B) No.

Explanation:
Despite all his efforts to fix the communication gap, the son was not able to understand him. This implies that the son's attempts to bridge the communication gap were unsuccessful, resulting in a lack of understanding between the two individuals.

There could be several reasons why the son was unable to understand him, despite his efforts:

Lack of effective communication:
The son may have tried to improve communication, but if the methods used were ineffective, the communication gap may not have been resolved. Effective communication involves both the ability to express oneself clearly and the capacity to understand and interpret the messages being conveyed. If the son was unable to achieve this, the communication gap could persist.

Language or cultural barriers:
Communication gaps can arise due to language or cultural differences. If the son and the individual in question come from different cultural backgrounds or speak different languages, it could be challenging for them to understand each other fully. Even with efforts to bridge the gap, these barriers may continue to hinder effective communication.

Emotional or psychological factors:
Sometimes, the inability to understand someone may be due to emotional or psychological factors. If there are unresolved conflicts, emotional barriers, or psychological issues present, it can impede communication and prevent understanding. In such cases, efforts to fix the communication gap may require additional support, such as therapy or counseling, to address the underlying issues.

External influences:
External influences, such as distractions or external pressures, can also hinder communication. If there are external factors that consistently disrupt or interrupt communication attempts, it can make it difficult for the son to understand the individual. These external influences may need to be addressed or minimized for effective communication to occur.

In conclusion, despite the son's efforts to fix the communication gap, he was unable to understand him. This could be due to various reasons, including ineffective communication methods, language or cultural barriers, emotional or psychological factors, or external influences.