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').
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Question: National immunization vaccinates all children under ____ against polio.\Question: Choose the right answer from options given a) zero b) four c) ten d) five

Answer: b


Question: 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

Answer: b


Question: Term loans are bank loans generally made for periods from ____ to five years.\Question: Choose the right answer from options given a) six b) two c) zero d) one

Answer:
d