单选题
The department chairman______with thanks the assistance of all the faculty members for getting the celebration ready in a short time.
【正确答案】
D
【答案解析】[解析] 本句意为“系主任就全体教员在短时间内协助完成了庆祝活动的准备工作而 致谢”。acknowldge的名词形式为acknowledgement，意思是“感激”，短语acknowledge with thanks意为“致谢”；express表达；declare宣告；announce宣布，通告。因此正确答案为D。