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]: 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
[A]: a


[Q]: Peonies grow from two to ____ feet in height.\Question: Choose the right answer from options given a) five b) zero c) three d) four
[A]: d


[Q]: Lemon sharks are usually eight to ____ feet long.\Question: Choose the right answer from options given a) no b) six c) ten d) two
[A]:
c