Citing sources makes an author's writing more believable to readers because readers

A. know that the author is an expert.

B. don't have to do their own research.

C. can check the work for accuracy.

D. know that the work is free of opinions.

C. can check the work for accuracy.

Explanation:

Citing sources makes an author more trustworthy and convincing because readers can confirm that the piece of writing is based on actual authoritative research done by other investigators. Besides, it is proper to acknowledge the work of previous writers; otherwise he or she would be committing plagiarism.