..........WE also visited Sydney Opera House yesterday . It was the most interesting building I ( )seen.....
A have ever B had never C have never D had ever
这里填had ever吗,感觉两个都行啊
追答这个句子的大意为:我们也参观了悉尼歌剧院,它是我见过的最有趣的建筑。所以根据这个意思是,说话者之前参观过其他的一些建筑,但是TA认为这是以往以来最有趣的。所以,就像我所解释的一样,应该是 I had ever…。