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: Fryers have ____ thermostats.\Question: Choose the right answer from options given a) five b) three c) two d) one

Answer: c


Question: Vampires generally are male, and rabies is ____ times more frequent in men than in women.\Question: Choose the right answer from options given a) no b) two c) zero d) seven

Answer: d


Question: Most people have twenty nails, ____ on the fingers and thumbs, and ten on the toes.\Question: Choose the right answer from options given a) zero b) five c) two d) ten

Answer:
d