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]: Hurricanes weaken rapidly when passing over land surfaces for ____ reasons.\Question: Choose the right answer from options given a) two b) three c) nine d) zero
[A]: b


[Q]: Minks travel more than most furbearers, covering up to ____ miles a night.\Question: Choose the right answer from options given a) four b) five c) zero d) ten
[A]: d


[Q]: Mice have four legs, four feet and ____ tail per unit-mouse.\Question: Choose the right answer from options given a) no b) one c) six d) two
[A]:
b