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').

[EX Q]: Baboons can travel up to ____ miles a day.\Question: Choose the right answer from options given a) seven b) three c) two d) six
[EX A]: d

[EX Q]: Heat pumps give off ____ fumes or harmful products of combustion.\Question: Choose the right answer from options given a) four b) zero c) six d) no
[EX A]: d

[EX Q]: Recent studies confirm that ____ out of four children are obese.\Question: Choose the right answer from options given a) four b) eight c) no d) one
[EX A]:
d