问题
选择题
_____ you have offered 50 yuan , you can telephone for 100 yuan.
A．To provide that
B．Provided that
C．Being provided that
D．Provide that
答案
答案：B
题目分析：Provided that或providing that可以做连词，引导条件状语从句，句意：假如你已经提供了50元，你可以打100元的电话。所以选B。