the boss has arrived let’s begin our discussion right away.A. IfB. WhenC. Now thatD. Eve

问题补充：

the boss has arrived, let’s begin our discussion right away.

A. If

B. When

C. Now that

D. Even if

答案：

A. If

B. When

(答案→)C. Now that

D. Even if

解析：这题考查连词的用法：句意是：既然老板到了，我们立刻开始讨论。选C。