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


[Q]: Vision disorders affect ____ in every four school-age children.\Question: Choose the right answer from options given a) nine b) one c) five d) six
[A]: b


[Q]: Some scholars question the existence of the first ____ emperors.\Question: Choose the right answer from options given a) three b) four c) nine d) one
[A]:
c