Based on the given sentence above, the function of the noun clause is as the DIRECT OBJECT. A direct object is a noun that directly receives the action of the main verb in the sentence. In this sentence, the noun clause directly receives the action of the verb "learned". Hope this answers your question.
How would one know if there are no Answers to the question?
The answer to your question is B: False.
This is because a biography is the story in which the author writes about his/her life.
BIBLIOGRAPHY: a list of books referred to in a scholarly work, usually printed as an appendix.
Hope this helps!!