Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

Q: Youth unemployment is ____ times the adult level.\Question: Choose the right answer from options given a) one b) three c) seven d) no

A: b
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Q: Cats have ____ sets of vocal cords.\Question: Choose the right answer from options given a) zero b) nine c) two d) three

A: c
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Q: Most museums keep between ____ and ten percent of their collections on display at any one time.\Question: Choose the right answer from options given a) one b) seven c) nine d) three

A:
a
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