I honestly think (A) makes most sense, though it would be better if you showed the paragraphs to make more sense of this question. I can only guess because there is no story, so I think its (A)! It relates to the title, "Aiden Goes Silent". So (A)...
LOLZ
In my opinion, the answer is D, varying sentence lengths. Meaning that you should have simple, compound, and complex sentences, and vary them. Because you should always have specific examples, not general statements. Cliches should be avoided. And paragraph indentation isn't the crucial element in a paper.
<span>Gwendolen portrays Victorian qualities of being superficial. She seems to be untrue about her feelings for Jack by just showing off herself in front of the crowd.
</span><span>Gwendolen's lines imply that her brother is flirtatious. Based on her description, her brother seems to propose to a number of girls.</span>