A：are completed
B：have been completed
C：completed
D：had been completed
我国全面放开二胎的生育政策对我国可能产生的影响有（ ）
《骆驼祥子》中的小福子为养活两个小弟弟怎么办了?（）
-- ____ did the play football last week?
-- At the sports center.
