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: Some taxonomists classify only ____ species though.\Question: Choose the right answer from options given a) one b) six c) two d) three

Answer: c


Question: Chickens take about six to ____ weeks to grow.\Question: Choose the right answer from options given a) eight b) two c) no d) five

Answer: a


Question: Parallel coordinates use ____ or more parallel axes.\Question: Choose the right answer from options given a) no b) two c) six d) seven

Answer:
b