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: Trains kill ____ people every year.\Question: Choose the right answer from options given a) zero b) three c) no d) four

A: d
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Q: Peonies grow from two to ____ feet in height.\Question: Choose the right answer from options given a) five b) zero c) three d) four

A: d
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Q: Corms are ready to dig in four to ____ weeks after blooms are finished or when the tops die off.\Question: Choose the right answer from options given a) one b) zero c) two d) six

A:
d
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