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]: Cattails contain ____ times the starch of an equal weight fo potatoes.\Question: Choose the right answer from options given a) six b) ten c) eight d) two
[A]: b


[Q]: Parapsychologists have ____ basic approaches to their subject matter.\Question: Choose the right answer from options given a) three b) two c) ten d) five
[A]: b


[Q]: North Island is subtropical and has ____ extremes of heat or cold.\Question: Choose the right answer from options given a) one b) three c) no d) zero
[A]:
c