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: Cows can be up to ____ times more active than normal while in heat.\Question: Choose the right answer from options given a) eight b) nine c) two d) six

Answer: a


Question: Cattails contain ____ times the starch of an equal weight fo potatoes.\Question: Choose the right answer from options given a) six b) ten c) eight d) two

Answer: b


Question: Fires are natural, but ____ million acres is a lot of forest to burn in a single year.\Question: Choose the right answer from options given a) six b) three c) one d) seven

Answer:
a