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: Blood pressure is measured by ____ numbers.\Question: Choose the right answer from options given a) zero b) eight c) two d) seven

Answer: c


Question: Malignant tumors are more dangerous, and survival times can range from ____ months to several years.\Question: Choose the right answer from options given a) one b) no c) ten d) six

Answer: d


Question: Severe outbreaks occur about every ____ years, affecting both livestock and people.\Question: Choose the right answer from options given a) three b) nine c) seven d) five

Answer:
d