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: Springtails reproduce quickly usually within three to ____ weeks.\Question: Choose the right answer from options given a) five b) six c) nine d) three

A: a
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Q: Today there are ____ federal states, each based on cultural affiliations.\Question: Choose the right answer from options given a) one b) nine c) seven d) zero

A: b
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Q: Women are almost ____ times as likely to be in nursing homes as men.\Question: Choose the right answer from options given a) three b) no c) eight d) one

A:
a
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