When we got there he was about to leave so he only had time to explain to us what he t

问题补充：

When we got there, he was about to leave, so he only had time to explain to us what he thought of our plan.

A. carefully

B. roughly

C. impatiently

D. repeatedly

答案：

A. carefully

(答案→)B. roughly

C. impatiently

D. repeatedly

解析：本题考查副词的含义。carefully仔细的；roughly粗略地；impatiently不耐烦地；repeatedly重复地。根据he only had time to explain可知是roughly粗略地，故选B。