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]: Mechanical stability comes from having fused quartz, in ____ gravity, cold.\Question: Choose the right answer from options given a) five b) zero c) six d) two
[EX A]: b

[EX Q]: French women are ____ times more likely to have accidents and commit suicides.\Question: Choose the right answer from options given a) no b) three c) one d) five
[EX A]: d

[EX Q]: Reds can benefit from seven to ____ years' aging .\Question: Choose the right answer from options given a) ten b) eight c) four d) nine
[EX A]:
d