对于投资方案，下列论述正确的是（）。

A.资本成本越低，净现值越低

B.资本成本越高，净现值越低

C.资金成本越低，净现值越高

D.资本成本高于内部收益率时，净现值小于零

E.资本成本等于内部收益率时，净现值为零

At weekends in Nanjing,you can often see many people       outside some restaurants,     to have dinners.

A．sit; wait

B．seated; waiting

C．seating; waiting

D．sitting; wait