Recently I have bought an iPad 3 on the website of taobao. com, ________ the price is very reasonable.

A．on which

B．in which

C．of which

D．from which

有关我国园林的叙述，正确的是( )

A．再现自然是造园的准则，南北园林风格各异

B．以无限的空间造有限的风景，可使园林层次丰富

C．园林整体效果成败的关键是配景的烘云托月作用

D．北方的皇家园林以红黄为主色调