题干
In some families, it is the grandparents who ____for the spoiled child.
A：are blamed
B：is blamed
C：are to blame
D：has been blamed
答案(点此获取答案解析）
C
In some families, it is the grandparents who ____for the spoiled child.
A：are blamed
B：is blamed
C：are to blame
D：has been blamed
