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: Serial transfer is the sequential transmission of the ____ bit-voltages that constitute a byte.\Question: Choose the right answer from options given a) ten b) eight c) two d) four

Answer: b


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: Ozone is an unstable molecule made up of ____ oxygen atoms.\Question: Choose the right answer from options given a) five b) ten c) six d) three

Answer:
d