单项选择题

Which of the following is NOT mentioned as a way against traffic accidents

A．Testing drivers every three years.
B．Making stricter driving tests.
C．Building more highways.
D．Raising age limit and laying down safety specifications.

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单项选择题

The phrase to get their own back on the teachers (Line 2, Para. 3) most probably means that the students would ______.

A．have their revenge on the teachers
B．be at their teachers' back
C．assess their teachers back to back
D．turn their back on the teachers