题干
Don't stick your arm out of the window when the car is running; ________ you will be hurt． （ ）
A：otherwise
B：but
C：so
D：when
答案(点此获取答案解析）
A
Don't stick your arm out of the window when the car is running; ________ you will be hurt． （ ）
A：otherwise
B：but
C：so
D：when
