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').

[EX Q]: Human feet bear average five to ____ hundreds tons of weight everyday.\Question: Choose the right answer from options given a) six b) eight c) five d) nine
[EX A]: a

[EX Q]: Bacteria come in ____ basic shapes.\Question: Choose the right answer from options given a) five b) one c) three d) nine
[EX A]: c

[EX Q]: Mental illness enters the lives of at least ____ in four families.\Question: Choose the right answer from options given a) six b) three c) four d) one
[EX A]:
d