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:
Decompression illness is a continuum from ____ symptoms or signs to severe multisystem involvement.\Question: Choose the right answer from options given a) nine b) three c) no d) one
answer:
c


question:
Babies are breast-fed until about ____ years of age.\Question: Choose the right answer from options given a) four b) nine c) eight d) two
answer:
d


question:
Voles are prolific breeders and can produce ____ to six litters a year.\Question: Choose the right answer from options given a) four b) zero c) seven d) no
answer:

a