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: Mothers typically have from one to ____ cubs, which are born blind and toothless.\Question: Choose the right answer from options given a) six b) zero c) four d) seven

Answer: a


Question: Wolverines reproduce every ____ or three years.\Question: Choose the right answer from options given a) two b) three c) one d) four

Answer: a


Question: Chromosomal rearrangements contribute to speciation in ____ main ways.\Question: Choose the right answer from options given a) two b) six c) five d) nine

Answer:
a