To answer this question, we need to understand the verb tense and the context of the sentence.
The sentence "She cooks dinner every night and she ___ it while she watches TV" is in the present tense. It implies a habitual action that occurs regularly.
Let's go through each option to understand why it is correct or incorrect:
Option A) eats - This option is correct. It matches the present tense of the sentence and indicates that she regularly eats dinner while watching TV.
Option B) is eating - This option is incorrect. It is in the present progressive tense, which suggests an ongoing action at the moment. However, the sentence does not imply that she is currently eating while watching TV.
Option C) ate - This option is incorrect. It is in the past tense, which does not match the present tense of the sentence.
Option D) None of the above - This option is incorrect. Option A, "eats," is the correct answer.
Therefore, the correct answer is A) eats. This option is correct because it matches the present tense of the sentence and indicates that she habitually eats dinner while watching TV.