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: Conflict diamonds account for less than ____ per cent of world trade in rough diamonds.\Question: Choose the right answer from options given a) two b) four c) one d) ten

A: b
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Q: Fryers have ____ thermostats.\Question: Choose the right answer from options given a) five b) three c) two d) one

A: c
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Q: Some birds make it ____ years or longer.\Question: Choose the right answer from options given a) four b) nine c) three d) ten

A:
c
****