It rained heavily in the south,            serious flooding in several provinces.\

A．caused

B．having caused

C．causing

D．to cause

以下有关价格的计算，错误的是( )

A．每味药价积数=每种药的单价×该药的分量
B．汤剂总价=每帖药单价×帖数
C．代煎药价=汤剂总价+代煎费
D．每帖药单价=每味药单价之和
E．临方制剂总价=汤剂总价+加工费价+辅料费+包装费