—________ is it from your home to Wanda Palaza?

It takes about 20 minutes to go there by car.

A．How far

B．How soon

C．How much

D．How long

某公司本年度按变动成本法计算的息税前利润5000万元，期初存货中固定性制造费用为300万元，期末存货中固定性制造费用为400万元，则按完全成本法计算的息税前利润为（）万元。

A、4900

B、5100

C、5400

D、5700