The submissive boy was so afraid to disagree, he often ate meals he hated and watched movies he had no interest in.
The answer is C, the word 'submissive' means to conform to the authority of will or others, meaning the boy rather would listen to others than make his own decisions.
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L- LINK The last sentence should reinforce your original point or link your writing to the next paragraph. The link sentence can provide a transition to the next topic or paragraph