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: Pairs encodes all sets of objects with ____ components.\Question: Choose the right answer from options given a) ten b) five c) two d) no

Answer: c


Question: Normal cells have ____ copies of each chromosome.\Question: Choose the right answer from options given a) two b) five c) eight d) no

Answer: a


Question: Many people have ____ symptoms when the disease first arises.\Question: Choose the right answer from options given a) no b) four c) ten d) nine

Answer:
a