单位存款人用于（）的资金通常存入临时存款账户。
A.期货交易保证金
B.信托基金
C.政策性房地产开发资金
D.注册验资
参考答案：D
Is _______ Qinghai-Tibet Railway plays an important role in China's railway history the topic that you are coming to? [ ]
A. what
B. it
C. this
D. that
