It is none of my business. It's up to you to decide     he bought yesterday is used for.

A．what what

B．what that

C．that what

D．that which

具有收益性建筑物的经济寿命，是指从建筑物竣工之日开始在正常市场和运营状态下产生的收入大于运营费用的持续时间，一般要短于其自然寿命。