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]: Women gain ____ years per child they had.\Question: Choose the right answer from options given a) ten b) nine c) four d) two
[EX A]: d

[EX Q]: Western culture offers only ____ genders, man or woman.\Question: Choose the right answer from options given a) three b) two c) one d) four
[EX A]: b

[EX Q]: Most vegetable crops are sensitive to drought ____ to four weeks before and during harvest.\Question: Choose the right answer from options given a) three b) zero c) nine d) five
[EX A]:
a