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: Whales are divided into ____ categories, based on their teeth.\Question: Choose the right answer from options given a) two b) four c) nine d) ten

Answer: a


Question: Anthrax usually is a fatal disease with ____ symptoms observed.\Question: Choose the right answer from options given a) no b) seven c) one d) six

Answer: a


Question: Microsporophylls bear two to ____ microsporangia.\Question: Choose the right answer from options given a) eight b) nine c) four d) one

Answer:
a