I’m sorry I got caught in the traffic； , I could have been here sooner．
A. besides
B. although
C. anyway
D. otherwise
网友回答
A. besides
B. although
C. anyway
(答案→)D. otherwise
解析：考查含蓄虚拟条件句。I could have been here sooner是和过去事实相反的虚拟语气，四个选项中只有otherwise可以充当含蓄虚拟条件，相当于if I had not got caught in the traffic.所以选D。