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
****
Q: Notebooks are laptop computers that weigh between five and ____ pounds.\Question: Choose the right answer from options given a) ten b) seven c) nine d) one

A: b
****
Q: Marriage is the legal union of ____ people.\Question: Choose the right answer from options given a) one b) no c) five d) two

A:
d
****