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').

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

Most bacteria have one or ____ circular chromosomes.\Question: Choose the right answer from options given a) ten b) eight c) six d) two
d

Downies range in age from eighteen months to ____ years.\Question: Choose the right answer from options given a) six b) five c) three d) eight

c