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]: Ants have ____ noses.\Question: Choose the right answer from options given a) zero b) eight c) five d) three
[A]: c


[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]: Goats can produce five to ____ litres of milk per day.\Question: Choose the right answer from options given a) seven b) six c) eight d) one
[A]:
b