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]: Some experts believe whining peaks around the ages of ____ or four.\Question: Choose the right answer from options given a) three b) no c) four d) seven
[EX A]: a

[EX Q]: Alcoholics are nearly ____ times more likely than others to die in motor vehicle crashes.\Question: Choose the right answer from options given a) ten b) eight c) six d) five
[EX A]: d

[EX Q]: Gluons have ____ colors, one normal color and one anti-color.\Question: Choose the right answer from options given a) one b) ten c) two d) nine
[EX A]:
c