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: Chinese cuisine has ____ tolerance for animal rights groups.\Question: Choose the right answer from options given a) ten b) zero c) four d) no

Answer: b

Question: Young squirrels remain in the nest for about ____ weeks.\Question: Choose the right answer from options given a) seven b) six c) two d) eight

Answer: b

Question: Saddle sores are a common problem after spending ____ and seven hours in the sweat and heat.\Question: Choose the right answer from options given a) six b) eight c) no d) zero

Answer:
a