— I'm leaving tomorrow.

— Oh, what a pity! I won't be able to see you off. I ____ a tele-conference the whole morning.

A．have

B．am having

C．will be having

D．will have had

某公司2003年流动资产300万元，无息流动负债200万元，有息债务160万元，长期资产净值800万元，无息长期负债180万元。则该公司投资资本为( )万元。

A．720

B．880

C．650

D．540