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: Mountain goats have ____ sharp horns.\Question: Choose the right answer from options given a) two b) six c) ten d) four

Answer: a


Question: Some people try to count to ____ when they feel angry.\Question: Choose the right answer from options given a) no b) ten c) seven d) five

Answer: b


Question: Today there are ____ UK hospitals doing heart transplants.\Question: Choose the right answer from options given a) three b) five c) six d) nine

Answer:
d