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: 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

A: d
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Q: Most fats ingested are triglycerides i.e. ____ fatty acid chains connected to a glycerol molecule.\Question: Choose the right answer from options given a) seven b) two c) three d) six

A: c
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Q: Lizards are cold-blooded reptiles that have long tails and ____ legs.\Question: Choose the right answer from options given a) four b) six c) eight d) nine

A:
a
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