Question

Using _____ to support your thesis enhances your credibility and demonstrates to readers that you've taken the time to investigate and become knowledgable about the topic

A. a variety of evidence
B. examples drawn from personal experience
C. Various assertions
D. opinions offered by experts in the topic

Answer 1

I believe A would be the correct answer. Of course you need evidence to prove something is right, but in order to sound credible you need to have more than one source to back you up. A would have to be the most likely answer. 

Answer 2

While I believe that both A and D are correct, the best choice here would be A