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]: Humans learn through the ____ senses.\Question: Choose the right answer from options given a) eight b) one c) five d) ten
[EX A]: c

[EX Q]: Voles are prolific breeders and can produce four to ____ litters a year.\Question: Choose the right answer from options given a) four b) two c) six d) three
[EX A]: c

[EX Q]: Inflammation occurs several hours and possibly up to ____ days after exposure to latex.\Question: Choose the right answer from options given a) four b) six c) zero d) nine
[EX A]:
a