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:
Roundworms are fairly large worms that can grow to be ____ or five inches long.\Question: Choose the right answer from options given a) no b) nine c) four d) zero
answer:
c


question:
Brachiopods are superficially similar to bivalves, both having ____ shells.\Question: Choose the right answer from options given a) two b) eight c) seven d) one
answer:
a


question:
Most Atlantic mackerel are sexually mature by the age of ____ years.\Question: Choose the right answer from options given a) eight b) zero c) ten d) three
answer:

d