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]: Young squirrels remain in the nest for about ____ weeks.\Question: Choose the right answer from options given a) seven b) six c) two d) eight
[A]: b


[Q]: Coccidiosis usually occurs from ____ weeks of age.\Question: Choose the right answer from options given a) zero b) no c) three d) eight
[A]: c


[Q]: Most orthoptists work eight hours a day, ____ or five days a week.\Question: Choose the right answer from options given a) six b) four c) one d) three
[A]:
b