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: Decompression illness is a continuum from ____ symptoms or signs to severe multisystem involvement.\Question: Choose the right answer from options given a) nine b) three c) no d) one

A: c
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Q: Carbon forms ____ bonds.\Question: Choose the right answer from options given a) five b) four c) two d) three

A: b
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Q: Cancer is the end result of approximately ____ contributing mutations in the tumor cell.\Question: Choose the right answer from options given a) six b) one c) three d) eight

A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
d
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