instruction:
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').
question:
Human malaria is caused by ____ species of Plasmodium . .\Question: Choose the right answer from options given a) six b) ten c) seven d) four
answer:
d


question:
Scorpions can live for ____ to seven years.\Question: Choose the right answer from options given a) one b) six c) five d) three
answer:
d


question:
Children usually outgrow thumb-sucking between the ages of ____ and six.\Question: Choose the right answer from options given a) ten b) zero c) three d) six
answer:

c