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]: Tardigrades are microscopic, water-dwelling, segmented animals with ____ legs.\Question: Choose the right answer from options given a) eight b) nine c) one d) seven
[A]: a


[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]: Overweight people outnumber underweight people by more than ____ to one in North America.\Question: Choose the right answer from options given a) no b) ten c) nine d) six
[A]:
b