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').
--------
Question: Calves are completely nutritionally dependent on their mothers to ____ months old.\Question: Choose the right answer from options given a) three b) zero c) five d) no

Answer: a


Question: Children now account for only ____ percent of all forest fires caused in the United States.\Question: Choose the right answer from options given a) five b) four c) eight d) nine

Answer: b


Question: Whitetail does give birth to anywhere from ____ to six fawns each spring.\Question: Choose the right answer from options given a) nine b) six c) no d) one

Answer:
d