---Does tiredness or inadequate sleep cause dark circles under eyes?

---Lack of sleep will _______ making your skin look pale, and this will make your circles look darker.

A．come up

B．show up

C．end up

D．take up

有时投资商或委托方要求物业管理企业垫付零售商业项目的开办费用，这属于( )。

A．突发事件风险
B．垫付风险
C．垫款风险
D．管理范围不确定风险