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]: Whales are divided into ____ categories, based on their teeth.\Question: Choose the right answer from options given a) two b) four c) nine d) ten
[A]: a


[Q]: Studies show that childhood obesity is epidemic and that ____ in five children is overweight.\Question: Choose the right answer from options given a) one b) two c) nine d) ten
[A]: a


[Q]: Men are nearly ____ times more likely to develop the disease than are women.\Question: Choose the right answer from options given a) seven b) three c) eight d) four
[A]:
b