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]: Smoking is responsible for one out of ____ American deaths.\Question: Choose the right answer from options given a) five b) six c) nine d) seven
[EX A]: a

[EX Q]: Psychiatrists say that one in ____ people are mentally ill.\Question: Choose the right answer from options given a) one b) two c) four d) nine
[EX A]: c

[EX Q]: American women are four to ____ times more likely than Asian women to die of breast cancer.\Question: Choose the right answer from options given a) nine b) seven c) five d) ten
[EX A]:
b