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').

Rabbits reach sexual maturity between three and ____ months of age.\Question: Choose the right answer from options given a) three b) seven c) six d) zero
c

Polyester has ____ favorable properties.\Question: Choose the right answer from options given a) four b) two c) seven d) six
b

Bats have ____ fingers and two thumbs like human beings.\Question: Choose the right answer from options given a) six b) eight c) ten d) one

b