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]: Children are more likely than adults to show ____ symptoms even if they are infected.\Question: Choose the right answer from options given a) eight b) two c) no d) six
[A]: c


[Q]: Younger children can produce as much as ____ times more saliva than adults.\Question: Choose the right answer from options given a) one b) ten c) five d) eight
[A]: d


[Q]: Computers have ____ problems with locating and remembering numeric addresses.\Question: Choose the right answer from options given a) seven b) five c) no d) nine
[A]:
c