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').

Birds reach sexual maturity in three to ____ years.\Question: Choose the right answer from options given a) seven b) two c) five d) six
c

Mares normally give birth to their first foal when they are between three and ____ years of.\Question: Choose the right answer from options given a) ten b) no c) six d) four
c

Elephants have ____ other teeth called molars.\Question: Choose the right answer from options given a) five b) four c) six d) eight

b