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').

[Q]: Summer is the hottest of the ____ temperate seasons , falling between spring and autumn .\Question: Choose the right answer from options given a) six b) four c) no d) nine
[A]: b


[Q]: Toenails are similar , except that they grow ____ times slower and are on the toes .\Question: Choose the right answer from options given a) two b) eight c) six d) four
[A]: d


[Q]: Most cats have ____ toes on each front paw, but only four toes on each back paw.\Question: Choose the right answer from options given a) five b) two c) nine d) four
[A]:
a