单选题 Car telephones have become increasingly popular because they permit people to make or receive business calls while driving. As an additional benefit, motorists can quickly call for help in the event of an accident or breakdown. Nevertheless, car telephones should be prohibited because their use causes hazardous driving.
It can be concluded from the statements above that the author is committed to the troth of which of the following statements?

A、 The increasing popularity of car telephones is due primarily to the fact that they permit motorists to call for help in the event of an accident.
B、 The reason that the use of car telephones causes hazardous driving is that while dialing calls drivers cannot keep both hands on the wheel.
C、 The advantages afforded by car telephones do not outweigh the risks of hazardous driving created by them.
D、 In order to dial or receive telephone calls, drivers must momentarily take their eyes off the road, and this practice is hazardous.
E、 (E) The ability to use car telephones to call for help is a more important advantage than the ability to use these phones to engage in business calls.

【正确答案】 C

【答案解析】