—I went to Qianfo Hill . And it was really crowded.—So did I .A. last weekendB. next Sunda

问题补充：

—I went to Qianfo Hill . And it was really crowded.

—So did I .

A. last weekend

B. next Sunday

C. since last week

D. for a week

答案：

(答案→)A. last weekend

B. next Sunday

C. since last week

D. for a week

解析：last weekend上周末；next Sunday下周日；since last week自从上周以来；for a week已经一周了。结合语境可知上文描述的是过去发生的动作，故时间状语应该表示过去的时间，选A。