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: Female cats have ____ X's in each cell.\Question: Choose the right answer from options given a) five b) two c) one d) ten

A: b
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Q: Matter exists in ____ forms, solid, fluid and plasma.\Question: Choose the right answer from options given a) ten b) nine c) three d) five

A: c
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Q: Drugstore beetles have antenna that end in ____ enlarged segments.\Question: Choose the right answer from options given a) three b) seven c) eight d) no

A:
a
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