I’d rather have a room of my own, however small it is, than _________ a room with others.

A．to share

B．share

C．shared

D．sharing

如果投保人与保险人就保险合同条款达成协议，就说明______。

A．保险合同已经成立 B．保险合同已经生效
C．保险合同已经有效 D．保险合同已无法变更