“三个代表”是相互联系、相互促进的其中“先进生产力”的地位是（）
A.基础和前提
B.灵魂和旗帜
C.主体和目的
D.基础和手段
参考答案：A
— Simon, I wonder ________.
— Last Saturday.
A．when did the foreign visitors arrive
B．when the foreign visitors arrived
C．when the foreign visitors will arrive
D．when will the foreign visitors arrive
