( )是全国银行间债券市场的主管部门。
A．中国人民银行
B．中国银监会
C．财政部
D．中国国债登记结算公司
参考答案：A
解析：常识内容。故选A。
一I’m sorry! I would have taken him to hospital if I had known he was seriously ill.
一But ______ .
A．you didn’t
B．you hadn’t
C．he wasn’t
D．you aren’t
焊缝高度
