--Did you go ___ ___ with your brother last weekend, Tina?

--No ,we just stayed at home and watched TV.

A．anywhere interesting

B．interesting anywhere

C．somewhere interesting

D．interesting somewhere

下列溶液与100mL 0.1mol/L K₂SO₄溶液里K^＋物质的量浓度相同的是[ ]

A、100mL 0.2 mol/L氯化钾         

B、200mL 0.1 mol/L硝酸钾 

C、100mL 0.1 mol/L硝酸钾         

D、50mL 0.1 mol/L氢氧化钾