在空白处填入适当的句子，使对话完整。

Secretary: Hello, can I help you?

Jane Black: Yes.小题1:___________________________________________________?

Secretary: May I ask who’s calling?

Jane Black: This is Jane Black.

Secretary:小题2: ________________________________________. I’m sorry, Alice is at a meeting right now. 小题3:________________________________?

Jane Black: 小题4: _____. Could you tell her that I’ll be free tomorrow?

Secretary: Sure. Bye.

Jane Black: 小题5: _____________________.

投资利润率是反映项目( )的重要指标。

A．负债能力

B．盈利能力

C．偿债能力

D．抗风险能力