Answer:
B
Step-by-step explanation:
A the sentences have a verb but in example a the verb is a verb of feeling, in example b the verb is an action verb, in example c the verb is a feeling verb and so is example d. So that makes the answer example B.
Comment
It's between the first two.
is enthusiastic is not quite an action. It is a state of being rather than an actual action.
memorized is doing something very specific. I would pick this as your answer.
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