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]: Corms are undifferentiated, uniform, and contain ____ rings when cut apart.\Question: Choose the right answer from options given a) no b) three c) one d) zero
[EX A]: a

[EX Q]: Children of alcoholics are ____ times more likely than other people to become alcoholics themselves.\Question: Choose the right answer from options given a) zero b) four c) nine d) two
[EX A]: b

[EX Q]: Most lions drink water daily if available, but can go ____ or five days without it.\Question: Choose the right answer from options given a) four b) two c) five d) nine
[EX A]:
a