— Do you have any idea what Paul does all day?

— As I know, he spends at least as much time playing as he _____. [ ]

A. writes

B. does writing

C. is writing

D. does write

关于其他不合理预见的风险说法错误的是( )。

A．可能包括由于费率的变化导致的外币支付部分
B．法令、政策变化对工程成本的影响
C．业主应承担费率变化对其不利时对工程总造价产生影响的风险
D．若合同规定按支付日当地中央银行颁布的费率为标准，则支付时需随费率的市场浮动进行换算