A-A+
A．Because the services cost them more time.B．B
问题详情
A．Because the services cost them more time.
B．Because the services are not as friendly as a bank clerk.
C．Because they are not sure how to use the services.
D．Because the clerks don"t offer help for them.
参考答案
正确答案：C
解析：目的原因题 。男士说也许是上了年纪的顾客觉得用电脑或者机器感觉很奇怪(find it strange to use those computers or machines)，可见上了年纪的顾客并不知道机器应该如何使用(not sure how to use the services)。故正确答案为C项。
