Presenting sound reasons and credible evidence for the author's claim.
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.
A subordinate clause that modifies a noun is called a <span>It Is Called An "ADJECTIVE".
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