There are many factors in weight training but most commonly you will gain muscular strength and appearance.
Answer: D.) Low Self-Esteem
Explanation:
Cynthia's back story does not provide any evidence to support that she has too many friends or that she is in too many activities. It explains that she does well in all of her other classes besides Biology, so it is safe to say her lack of confidence is not caused by low intelligence.
So finally, with all of the above in mind, I am lead to the answer being Low Self-esteem. She does not think she is smart enough to pass her course because she is not confident in herself.
Confidence is key!
