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: Females have two X-chromosomes, ____ from each parent.\Question: Choose the right answer from options given a) ten b) four c) one d) zero

Answer: c


Question: Women are ____ times as likely as men are to develop osteoporosis.\Question: Choose the right answer from options given a) zero b) four c) one d) nine

Answer: b


Question: Natural selenium contains ____ stable iso- topes.\Question: Choose the right answer from options given a) nine b) ten c) six d) four

Answer:
c