Which of the following is a complete sentence?
A. After I read " The Scarlett Letter."
B. If she doesn't like Marge Kilgo, who plays on the team.
C. What bothered Melanie was Sarah's eating habits.
D. While Betsy shelled beans on her back porch.
C because the other three do not provide all the information necessary. For example, what happened after I read the Scarlett Letter? If she doesn't like Marge Kilgo who plays on the team, what happens? C explains exactly what bothered Melanie.
The answer would be C. Because it finishes its total idea. The rest of the examples stop when they should continue to provide the information needed for it to become a full sentence. Hope this helps!!
