Answer: A. must
Explanation:
<em>There's a lot of distraction coming from passing vehicles, Lena </em><em><u>must</u></em><em> close the door? </em>
The activities of the passing vehicles were a distraction to the speaker and so wanted Lena to close the door. The right way to say this is, ''...Lena must close the door.''
The characters Physical descriptions.