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

[EX Q]: Martian meteorite shows ____ signs of life on the red planet.\Question: Choose the right answer from options given a) two b) no c) nine d) one
[EX A]:
b