–There is thick haze(雾霾)around many cities in China recently. What do you think of it ?

---I think __________ cars we drive, the less pollution the city has.

A．the less

B．the fewer

C．the more

D．tyhe faster

某股份有限公司购进一台设备，买价为300000元，净残值率为5%，使用年限为5年，企业选用年数总和法计提折日，而按税法规定，应用直线法计提折旧。则该项设备第4年账面计提的折旧额与按税法计提的折旧额之间的差额为( )元。

A．-19000

B．-17000

C．-22000

D．19000