将下列各组物质分别放人足量水中，能形成无色溶液的是（　　）

A．CuO、CaCl₂

B．CuSO₄、NaCl

C．AgNO₃、BaSO₄

D．NaOH、NaCl

-- Did you watch the basketball match last weekend?

--- Yes, I did. It was covered      , and I think it was wonderful.

A．lively

B．alive

C．living

D．live