可转换公司债券上市的条件之一是可转换公司债券的期限为（）年以上。
A.3
B.2
C.5
D.1
参考答案：D
下列指令中，有语法错误的是( )。
A．OUT DX，AL
B．MUL AX，[DI]
C．CALL 2000H0100H
D．JMP WORD PTR[BX]
He _______ me five dollars for it, but at first he said to me the work would be done ______.
A．charged ; free of charge
B．charged for ; charged for nothing
C．charged ; out of the charge
D．charged to ; free of the charge
