单选题 We would like to thank all the conference participants ______ here today.
A. have come B. for coming
C. having came D. to come

【正确答案】 B
【答案解析】[解析] 表达“对……表示感谢，感谢……”的意思的时候，用thank for，介词for后面要加动名词。
词汇：conference会议/participant参加者