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
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Q: Batteries consist of ____ electrodes immersed in an electrolyte.\Question: Choose the right answer from options given a) two b) eight c) three d) seven

A: a
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Q: Sirenians are solitary, travel in pairs, or associate in groups of three to about ____ individuals.\Question: Choose the right answer from options given a) one b) no c) six d) ten

A:
c
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