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]: Matter exists in ____ forms, solid, fluid and plasma.\Question: Choose the right answer from options given a) ten b) nine c) three d) five
[A]: c


[Q]: Lynx consume one or ____ hares a day.\Question: Choose the right answer from options given a) five b) no c) two d) three
[A]: c


[Q]: Puffins breed when they become ____ years old.\Question: Choose the right answer from options given a) zero b) seven c) five d) no
[A]:
c