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: Gasoline is ____ times as expensive as in the United States.\Question: Choose the right answer from options given a) two b) four c) three d) ten

A: c
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Q: Southern moles are six to ____ inches long and weigh three to four ounces.\Question: Choose the right answer from options given a) zero b) nine c) five d) seven

A: d
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Q: Feline hyperthyroidism causes thyrotoxicosis and is usually seen in cats over ____ years of age.\Question: Choose the right answer from options given a) six b) five c) eight d) three

A:
a
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