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: Government buildings fly flags of the ____ nations.\Question: Choose the right answer from options given a) ten b) no c) seven d) two

Answer: d


Question: Female cats come into heat cycles every ____ to four weeks during certain times of the year.\Question: Choose the right answer from options given a) eight b) ten c) zero d) three

Answer: d


Question: Pork is a key part of ____ of the top five fastest-growing meal segments in food service.\Question: Choose the right answer from options given a) four b) seven c) one d) three

Answer:
d