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

A: d
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Q: Reptiles also have scaly skin and a ____ chambered heart.\Question: Choose the right answer from options given a) zero b) one c) ten d) three

A: d
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Q: Many children remain, on average, four to ____ years without permanent homes.\Question: Choose the right answer from options given a) four b) one c) three d) six

A:
d
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