单选题 Mr. Trinity is very busy; ______, he tries to stop and chat with each of his staff members every day.
【正确答案】 C
【答案解析】[解析] 词汇：连接副词
1．空格前出现起连词作用的分号，因此连词A、B选项排除。
2．原文意思是“尽管忙但还是想和他人聊天”，C为正确选项。副词therefore不符合文意。