在比率分析中，定基比率和环比比率属于( )。
A．相关比率
B．结构比率
C．动态比率
D．静态比率
参考答案：C
—May I speak to your manager Mr. Williams at five o’clock tonight?
—I’m sorry, Mr. Williams _____ to a conference before then.
A．will have gone
B．had gone
C．would have gone
D．has gone
