问题
选择题
________ we have got everything ready, let’s begin the debate.
A．Before long
B．Rather than
C．Now that
D． Even if
答案
答案：C
题目分析：A. Before long不久以后，B. Rather than而不是，C. Now that 既然，D. Even if即使，句意：既然我们一切都准备好了，我们开始辩论吧。选C。