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]: Ants have ____ noses.\Question: Choose the right answer from options given a) zero b) eight c) five d) three
[A]: c


[Q]: Adolescence is divided into ____ stages.\Question: Choose the right answer from options given a) four b) three c) six d) no
[A]:
b