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').

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

[EX Q]: Calves can browse and follow their mother at three weeks old and are weaned at ____ months.\Question: Choose the right answer from options given a) five b) seven c) four d) three
[EX A]: a

[EX Q]: Gases are the most energetic of the ____ phases of matter.\Question: Choose the right answer from options given a) four b) ten c) three d) zero
[EX A]:
c