- 搜标题
- 搜题干
- 搜选项
单项选择题
In determining a safe speed ______ shall be taken into your consideration.
A．A. the state of wind, sea and current
B．B. the traffic density
C．C. the presence of the background light at night
D．D. A+B+C
B．B. the traffic density
C．C. the presence of the background light at night
D．D. A+B+C
