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]: Earwigs produce ____ or two generations every year.\Question: Choose the right answer from options given a) two b) no c) one d) nine
[EX A]: c

[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]: Cats have ____ eyelids.\Question: Choose the right answer from options given a) seven b) five c) three d) nine
[EX A]:
c