下列反应，不属于氧化还原反应的是（　　）

A．CaCO₃═CaO+CO₂↑

B．2HClO═2HCl+O₂↑

C．2Na₂O₂+2CO₂═2Na₂CO₃+O₂

D．Fe+CuSO₄═FeSO₄+Cu

Mr. White preferred ______at home with his children rather than ____ out for Christmas.

A．to stay; to go

B．stay; go

C．to stay; go

D．stay; to go