个人住房循环贷款的营销对象通常是（）。

A．还款期内由于装修、买车等造成的临时资金压力的客户。

B．办理了个人住房贷款，尚有其他融资需求且希望以贷款所购住房设定最高额抵押的个人客户。

C．既希望享受低利率，又不愿背负沉重的月供压力，且有能力到期一次性归还剩余较大金额本金的个人客户。

D．经常有大额资金进出或者正在为理财目标筹集资金的客户，如个体工商户，为购车、出国、子女教育等目标储备资金的个人客户。

The major problem with E-mail is that it is (71) easy to use that people can become (72) with messages (73) they can possibly answer in a day. In addition, mail boxes require some management to (74) messages or archive those that might be required later. Senders don’t always know about your E-mail backlog and often send (75) messages.

A. fullB. lost
C. inundated D. filled