Answer:
a statement that disputes the claim
Explanation:
The best answer for the underlined word would be A: Vital
crucial means important or urgent.
required could be it but it does not imply a great amount of necessity.
The rest of the options don't even relate to this question.
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Among those sentences only the last one has a verb modified by an adverb:the verb is "hid" and the adverb is "quickly". In fact there are no other adverbs in those sentences.
Answer:
What's the work? A little vague