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: Black women die from cervical cancer at ____ times the rate of white women.\Question: Choose the right answer from options given a) five b) one c) two d) three

Answer: d


Question: Background radiation comes from ____ sources.\Question: Choose the right answer from options given a) zero b) three c) four d) no

Answer: b


Question: Iambic tetrameter has four such feet, for a total of ____ syllables.\Question: Choose the right answer from options given a) zero b) two c) five d) eight

Answer:
d