-----I am sorry the traffic is so heavy.
-----Does that why you are so late ?
A. and; account for
B. but; account for
C. and; forgive
D. but; believe in
网友回答
A. and; account for
(答案→)B. but; account for
C. and; forgive
D. but; believe in
解析：本题考查连词和动词短语。I'm sorry , but……常用句型，but后接表示歉意的原因；account for解释；说明…的原因，是…的原因。