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]: Atoms are extremely small, on the order of a few ____ billionths of a meter.\Question: Choose the right answer from options given a) ten b) seven c) nine d) eight
[EX A]: a

[EX Q]: Reliability affects the production of goods in ____ distinct ways.\Question: Choose the right answer from options given a) one b) eight c) six d) three
[EX A]: d

[EX Q]: Current statistics give a person living today a ____ in three chance of dying from with cancer.\Question: Choose the right answer from options given a) five b) zero c) one d) four
[EX A]:
c