问题补充：
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
答案：
A. on which
B. in which
(答案→)C. of which
D. from which
解析：C考查定语从句。句意：我最近在淘宝网上买了一台iPad 3，它的价格非常合理。of表示所属关系，意为“……的”。of which the price＝the price of which＝whose price。
