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: Organisms have ____ forms of nucleic acid.\Question: Choose the right answer from options given a) four b) three c) two d) one

A: c
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Q: Corn borers complete at least ____ generations each summer.\Question: Choose the right answer from options given a) zero b) three c) two d) ten

A: c
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Q: Unaltered dogs are ____ times as likely to bite.\Question: Choose the right answer from options given a) three b) ten c) seven d) eight

A:
a
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