It was the first time that I visitors since I’d moved to London.
A. had had
B. have had
C. have
D. had
网友回答
(答案→)A. had had
B. have had
C. have
D. had
解析：考查时态。固定句型：It is the first time sb has/have done sth;是某人做某事的时候了。如果前面的过去式，后面使用过去完成时。因为只有做完了某事，才能说了第几次了。句意：这是我来伦敦以来第一次有客人来访。