Well, Assuming that this is the same multiple choice question that I have answered, I would say B. Chromosomal Disease.
The answer is homocysteine. <span>Having high levels of homocysteine in the body, it can lead to coronary artery disease. It is also connected with the formation of blood clots that could lead to a stroke or heart attack.</span>
C is going to be the best answer to this question.
Kelly believes that she doesn't have the capabilities of being a good member of the dance team. Therefore, Kelly is in a situation where she does not trust her current abilities.