单选题
Our new advertising brochure ______ already designed by someone.
A. was being B. had been
C. has been D. have had
A
B
C
D
【正确答案】
C
【答案解析】
[解析] 这是一道根据时态选择动词的正确形式的问题。根据文意“已经设计完成了”可知，过去某一时刻开始的动作现在已经完成了，现在完成时态最合适。
词汇：advertising广告/brochure手册，小册子
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