I think he may be right. But I have not read the whole thing, so I may be wrong.
A. #1
B. #3
C. #4
D. #1
E. #2
Answer: D
Explanation: because it makes sence.
Answer:
C. The biographer might not have access to the subject's personal records.
Explanation: All the other options indicate an authorized biography, meaning one that the subject is aware of or has given their approval to.