B股交易专户、还贷专户和发行外币股票专户都属于（）。

A.单位经常项目外汇账户

B.单位资本项目外汇账户

C.外汇储蓄账户

D.个人外汇账户

What can be concluded from the passage

A．Genuine writers often find their work interesting and rewarding.

B．A writer's success depends on luck rather than on effort.

C．Famous writers usually live in poverty and isolation.

D．The chances for a writer to become successful are small.