A. which wereB. that is

C. that wereD. which was

【答案】D

【解析】

试题分析：句意：上周我哥哥拍的照片非常漂亮。此处是定语从句修饰先行词the photo，根据时间短语last week可知此处用一般过去时，故排除B项。因为先行词the photo是单数形式，故定语从句的谓语动词用单数形式。故选D。