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]: Conflict diamonds account for less than ____ per cent of world trade in rough diamonds.\Question: Choose the right answer from options given a) two b) four c) one d) ten
[A]: b


[Q]: Onion thrips experience ____ instars.\Question: Choose the right answer from options given a) three b) six c) eight d) four
[A]: d


[Q]: Most linguists organize the African languages into ____ major language families .\Question: Choose the right answer from options given a) five b) one c) four d) three
[A]:
c