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]: Unsafe acts cause ____ times as many accidents as unsafe conditions.\Question: Choose the right answer from options given a) no b) eight c) one d) four
[A]: d


[Q]: Water is the only natural substance which exists in all ____ states of matter in nature.\Question: Choose the right answer from options given a) no b) eight c) six d) three
[A]: d


[Q]: Cancer is the second leading cause of death in California, accounting for nearly ____ in four deaths.\Question: Choose the right answer from options given a) two b) ten c) nine d) one
[A]:
d