问题详情

A．The public telephones often go wrong in malting a long distance call.
B．It is not very expensive to make a long distance call on a public telephone.
C．You"ll probably not be charged for dialing a wrong number in matting a long distance call.
D．You"d better not make a long distance call on a public telephone for it charges too much.请帮忙给出正确答案和分析，谢谢！