— How do you usually keep in touch with your friends, by email or letter?

— _____. I use telephone only. [ ]

A. None

B. Neither

C. Any

D. Either

从贷款风险的（）来看，房地产贷款风险可分为系统风险和非系统风险。

A.性质

B.可控程度

C.来源

D.分析层次