Last night, I _______ computer games when my mother came into my bedroom. You can't imagine how embarrassed I was then!
A：played
B：was playing
C：have played
各种洗涤剂已广泛进入人们的生活中，下列洗涤中所用洗涤剂不具有乳化功能的是 ( )
文艺复兴时期资产阶级所倡导的社会思潮是（ ）
____ ?
