单选题 I would like to express my________to you all for supporting me this summer as a visiting scholar in your department.
【正确答案】 C
【答案解析】本题考查词义辨析。选项A为“满足”；选项B为“乐意”；选项C为“感激”，选项D为“真诚”。根据句意，故选C。