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]: Japan is the second largest single country importer with about ____ per cent of world oat imports.\Question: Choose the right answer from options given a) five b) one c) four d) eight
[EX A]: a

[EX Q]: Turkey also has ____ inland drainage basins.\Question: Choose the right answer from options given a) zero b) two c) eight d) nine
[EX A]: b

[EX Q]: Coffee is among the ____ most valuable trade commodities in the world.\Question: Choose the right answer from options given a) zero b) ten c) four d) five
[EX A]:
b