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').
--------
Question: Trappers have ____ genders and reproduce sexually.\Question: Choose the right answer from options given a) zero b) two c) five d) one

Answer: b


Question: Poisons come in ____ different forms .\Question: Choose the right answer from options given a) four b) no c) five d) ten

Answer: a


Question: Most salamanders have only ____ front toes but five rear toes.\Question: Choose the right answer from options given a) four b) three c) seven d) no

Answer:
a