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').

[Q]: Most internal parasites are specific to one or ____ species.\Question: Choose the right answer from options given a) seven b) three c) two d) five
[A]: c


[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
[A]: a


[Q]: Tripods are of ____ basic types, Photo and Video.\Question: Choose the right answer from options given a) two b) ten c) five d) no
[A]:
a