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
网友回答
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。