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').
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Question: Breast cancer strikes one out of every ____ American women.\Question: Choose the right answer from options given a) one b) nine c) no d) six

Answer: b

Question: Hybridization is the practice of ____ different species interbreeding.\Question: Choose the right answer from options given a) no b) one c) two d) three

Answer: c

Question: Life is change - most of the cells in our body are replaced, at the most, each ____ years.\Question: Choose the right answer from options given a) seven b) ten c) four d) one

Answer:
a