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: Most internal parasites are specific to one or ____ species.\Question: Choose the right answer from options given a) seven b) three c) two d) five

A: c
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Q: Centrifugal pumps can usually handle up to about ____ percent by volume of air.\Question: Choose the right answer from options given a) one b) five c) eight d) seven

A: b
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Q: Pacific halibut grow much larger than California halibut, over ____ feet over a hundred pounds.\Question: Choose the right answer from options given a) ten b) four c) one d) two

A:
b
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