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]: Youth unemployment is ____ times the adult level.\Question: Choose the right answer from options given a) one b) three c) seven d) no
[A]: b


[Q]: Human rabies is extremely rare, and there have been no cases in Oregon in the last ____ years.\Question: Choose the right answer from options given a) nine b) five c) ten d) eight
[A]: d


[Q]: Most babies grow out of it after about ____ to ten weeks.\Question: Choose the right answer from options given a) four b) three c) six d) no
[A]:
c