Answer:
The correct answer is A)
Some skiers t<u>hink</u> very highly of their sport
Explanation:
<em>Think</em> in this case refers to the act of holding a particular notion, belief or idea.
In that case, it functions as the action word there.
The other words which sound like verbs in the other options such as nervous, happy, function as adjectives in their respective sentences.
The word which comes closest in contention with <em>Think </em> is <em>Appear</em> found in option D.
Appear is used in this case as a linking verb. It sometimes can take on the 'personality' of an action verb. It all depends on how it is used.
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