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: Phytochemicals are non-nutritive substances, in that they contain ____ vitamins or minerals.\Question: Choose the right answer from options given a) four b) one c) no d) ten

A: c
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Q: Most volcanoes erupt for ____ to four weeks and then rest.\Question: Choose the right answer from options given a) three b) four c) one d) eight

A: a
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Q: Lead chloride is almost ____ times more soluble in hot water than cold.\Question: Choose the right answer from options given a) three b) two c) four d) seven

A:
a
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