下面的选项中( ) 表示项目进度拖期了
A.BCWP = 100 , BCWS = 120
B.BCWP = 100 , ACWP = 120
C.BCWS = 100 , ACWP = 120
D.BCWS = 100 , BCWP = 120
正确答案是A