In the Long Run,both Supply and Demand Tend to Become

In the long run,both supply and demand tend to become more elastic.This suggests that,in the long run,the

A) deadweight loss from a tax will be less than it is in the short run.
B) deadweight loss will be zero.
C) government will likely reduce tax rates.
D) tax revenue will be lower than it is in the short run.
E) tax revenue will be higher than it is in the short run.