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').

[EX Q]: Democracy is ____ wolves and one sheep voting on what to have for supper.\Question: Choose the right answer from options given a) ten b) three c) zero d) one
[EX A]: b

[EX Q]: Cows breed at ____ years, bulls at four.\Question: Choose the right answer from options given a) two b) three c) seven d) one
[EX A]: b

[EX Q]: Caterpillars molt ____ or five times as they grow.\Question: Choose the right answer from options given a) one b) five c) four d) two
[EX A]:
c