I would have come earlier, but I _____ that you were waiting for me.

A．didn’t know

B．hadn’t know

C．would have known

D．haven’t known

赵某向李某借款10万元，赵某将自己的汽车作价5万元抵押给李某，未约定担保数额，并依法进行了登记。后一次事故使汽车报废，保险公司赔偿8万元。赵某与李某之间的抵押关系怎样

A．应归于消灭

B．继续有效，应以保险赔偿金中的5万元继续担保赵某对李某的债务

C．继续有效，应以全部保险赔偿金8万元继续担保赵某对李某的债务

D．终止，赵某应以保险赔偿金提前清偿李某