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: Living cells have at least ____ parts.\Question: Choose the right answer from options given a) seven b) three c) zero d) four

A: b
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Q: All butterflies go through ____ life stages .\Question: Choose the right answer from options given a) one b) four c) zero d) five

A: b
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Q: Fawns usually are weaned at ____ to three months.\Question: Choose the right answer from options given a) no b) zero c) nine d) two

A:
d
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