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]: Some families have two daddies or ____ mommies.\Question: Choose the right answer from options given a) nine b) seven c) zero d) two
[A]: d


[Q]: Ocular dryness responds to the use of artificial tears applied every ____ to three hours.\Question: Choose the right answer from options given a) no b) one c) three d) eight
[A]: b


[Q]: Depression is ____ times more common in working class women than in men.\Question: Choose the right answer from options given a) five b) no c) three d) seven
[A]:
a