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

A: d
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Q: All quetzals have ____ legs.\Question: Choose the right answer from options given a) four b) zero c) eight d) ten

A: a
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Q: Normals have ____ normal genes.\Question: Choose the right answer from options given a) two b) five c) eight d) six

A:
a
****