The closet because they are usually shut and rarely opened
The Answer would most defenitly be the third option
Unfortunately my answer was previously deleted by a moderator on accident, so I'll repost it here for anyone that may need it in the future.
C. suffering from anorexia or bulimia can be harmful
The reason this is the answer is because the statement is not supported with any rhyme or reason as to HOW these diseases can be harmful, or even affect you at all.