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]: 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]: Cougars have ____ toes with three distinct lobes present at the base of the pad.\Question: Choose the right answer from options given a) no b) four c) eight d) zero
[A]: b


[Q]: Most scotch whiskey has about ____ times more congeners than does gin.\Question: Choose the right answer from options given a) four b) seven c) six d) eight
[A]:
a