Smoking is so harmful to personal health that it killspeople each year than automobile acc

问题补充：

Smoking is so harmful to personal health that it killspeople each year than automobile accidents.

A. seven more times

B. seven times more

C. over seven times

D. seven times

答案：

A. seven more times

(答案→)B. seven times more

C. over seven times

D. seven times

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