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]: Poisons come in ____ different forms .\Question: Choose the right answer from options given a) four b) no c) five d) ten
[A]: a


[Q]: Most females are sexually mature at about ____ to six years.\Question: Choose the right answer from options given a) eight b) nine c) five d) two
[A]: c


[Q]: Prostate cancer affects one in ____ men in their lifetimes.\Question: Choose the right answer from options given a) six b) five c) ten d) four
[A]:
b