What does the phrase "by no means" (Line 1, ParA．3) mean（）

A．Drivers on the Basingstoke by-pass used to ignore the signs.
B．It is against the law to drive away when you have an accident.
C．Road construction is not one of the major causes of accidents.
D．A "black spot" is a part of the road where many accidents are easily to occur.

A. places where the police hide in order to trap motorists
B. dangerous parts of the road which are not easily noticed by drivers
C. danger spots such as sharp corners and cross-roads
D. places where there are too many road-signs