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: Some experts believe whining peaks around the ages of ____ or four.\Question: Choose the right answer from options given a) three b) no c) four d) seven

Answer: a


Question: Double price is based on two golfers sharing ____ room.\Question: Choose the right answer from options given a) one b) zero c) six d) nine

Answer: a


Question: Individual caribou can lose up to ____ pounds of blood during a summer season.\Question: Choose the right answer from options given a) eight b) five c) zero d) one

Answer:
b