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: Organisms have ____ forms of nucleic acid.\Question: Choose the right answer from options given a) four b) three c) two d) one

Answer: c


Question: All butterflies go through ____ distinct stages in their lives.\Question: Choose the right answer from options given a) eight b) seven c) four d) three

Answer: c


Question: Many children remain, on average, ____ to six years without permanent homes.\Question: Choose the right answer from options given a) zero b) ten c) four d) eight

Answer:
c