I’m sorry I got caught in the traffic； I could have been here sooner.A. besidesB. althoug

问题补充：

I’m sorry I got caught in the traffic；, I could have been here sooner.

A. besides

B. although

C. anyway

D. otherwise

答案：

A. besides

B. although

C. anyway

(答案→)D. otherwise

解析： 考查虚拟语气。在这里表示与过去相反，故主句用：could/would/might+have done 结构，句意：很抱歉我遇到交通拥挤了，不然的话我会早点到这。所以选D。