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


[Q]: Vampires generally are male, and rabies is ____ times more frequent in men than in women.\Question: Choose the right answer from options given a) no b) two c) zero d) seven
[A]: d


[Q]: Long grain is ____ times as long as it is wide, for instance.\Question: Choose the right answer from options given a) five b) zero c) three d) two
[A]:
c