单选题 He didn't do any work but ______about all day.
A. played B. play C. playing

【正确答案】 A
【答案解析】[解析] 本题考查连词的用法。but连接并列结构，前边的动词是一般过去时态，所以后边的动词也应该用一般过去时态，答案为A。
[知识拓展]此类并列连词还有and和or。