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').

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


[Q]: Corn borers complete at least ____ generations each summer.\Question: Choose the right answer from options given a) zero b) three c) two d) ten
[A]: c


[Q]: Many addicts use opium because they have ____ access to public health care facilities.\Question: Choose the right answer from options given a) four b) zero c) no d) six
[A]:
c