— Are you a visitor here?  

— That's right. I     ___ round the world and now my dream of coming to China      ___ true.[ ]

A. have traveled; has come

B. travel; has been come

C. am traveling; has come               

D. have traveled; has been come

关于抵押贷款保障保险，下列说法错误的是（）

A．它提供抵押贷款的偿还保障

B．在其保险期间内，一旦贷款人死亡，保险公司将按合同给付保险金

C．保险金额及保险利率固定不变

D．保险金额与抵押贷款未偿余额保持一致