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]: Most women notice their breasts become fuller and firmer within the first six to ____ weeks.\Question: Choose the right answer from options given a) four b) eight c) zero d) ten
[A]: b


[Q]: Beavers live in families that include an adult pair and ____ to three years worth of offspring.\Question: Choose the right answer from options given a) no b) one c) four d) ten
[A]: b


[Q]: Porcine insulin has one different amino acid and bovine insulin has ____ different amino acids.\Question: Choose the right answer from options given a) seven b) ten c) three d) six
[A]:
c