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: Many aneurysms have ____ symptoms until they burst.\Question: Choose the right answer from options given a) no b) five c) six d) seven

A: a
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Q: Chipmunks produce one or ____ litters a year.\Question: Choose the right answer from options given a) three b) one c) ten d) two

A: d
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Q: Mares normally give birth to their first foal when they are between three and ____ years of.\Question: Choose the right answer from options given a) ten b) no c) six d) four

A:
c
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