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]: Argentine ants are able to establish new colonies with as little as ____ worker ants and one queen.\Question: Choose the right answer from options given a) no b) two c) ten d) five
[EX A]: c

[EX Q]: Bees possess ____ eyes.\Question: Choose the right answer from options given a) three b) five c) one d) ten
[EX A]: b

[EX Q]: Fireflies combine ____ special substances in their photic organs to make light.\Question: Choose the right answer from options given a) eight b) no c) three d) ten
[EX A]:
c