向氯化铜溶液中加入一定量的锌粉充分反应后过滤，下列情况可能出现的是（　　）

①滤液中只有Zn²⁺，滤渣为Zn

②滤液中有Zn²⁺、Cu²⁺，滤渣为Cu

③滤液中有Zn²⁺、Cu²⁺，滤渣为Zn

④滤液中只有Zn²⁺，滤渣为Zn、Cu．

A．①②

B．②③

C．②④

D．③④

—— Where did Mary’s parents buy the beautiful vase?

—— It was in the same village _______ they spent their holidays last year.

A．that

B．when

C．as

D．where