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]: 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
[EX A]: c

[EX Q]: Squids usually live from three to ____ years.\Question: Choose the right answer from options given a) five b) ten c) zero d) nine
[EX A]:
a