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]: Sexual reproduction involves ____ individual organisms.\Question: Choose the right answer from options given a) six b) no c) two d) nine
[A]: c


[Q]: Birds reach sexual maturity in three to ____ years.\Question: Choose the right answer from options given a) seven b) two c) five d) six
[A]: c


[Q]: All earwigs have ____ body parts, head, thorax, and abdomen.\Question: Choose the right answer from options given a) ten b) seven c) three d) five
[A]:
c