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').
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Question: Bulls can stand as tall as ____ feet at the shoulders.\Question: Choose the right answer from options given a) one b) five c) seven d) four

Answer: b


Question: Giraffes sleep less than ____ hours a day.\Question: Choose the right answer from options given a) two b) six c) seven d) ten

Answer: a


Question: Skin cancer affects one in ____ people in the United States over a lifetime.\Question: Choose the right answer from options given a) eight b) nine c) seven d) six

Answer:
d