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').

[EX Q]: 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
[EX A]: d

[EX Q]: Trappers have ____ genders and reproduce sexually.\Question: Choose the right answer from options given a) zero b) two c) five d) one
[EX A]: b

[EX Q]: Some infected people have mild diarrhea or ____ symptoms at all.\Question: Choose the right answer from options given a) no b) three c) ten d) two
[EX A]:
a