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').
--------
Question: Most spiders have ____ eyes and eight legs.\Question: Choose the right answer from options given a) eight b) five c) no d) three

Answer: a


Question: Many comets have ____ tails.\Question: Choose the right answer from options given a) two b) six c) three d) one

Answer: a


Question: Bulls reach the peak of their mating ability around the age of ____ to seven years.\Question: Choose the right answer from options given a) six b) five c) nine d) zero

Answer:
a