Question

as the son of a doctor, he considered himself to be an authority on all things that had to do with the body. source: boy: tales of a childhood in the sentence above, authority has the same or almost the same meaning as: expert student novice gossip

Explanation:

In the context, "authority" means a person with extensive knowledge and expertise in a particular area. "Expert" has a similar meaning, referring to someone highly skilled or knowledgeable. The other options - student, novice, and gossip - do not convey the same sense of knowledge - based authority.

Answer:

A. expert