What Would Those Who Oppose Tax-Law Changes to Encourage Saving

What would those who oppose tax-law changes to encourage saving NOT say?

A) that saving is not very responsive to changes in the tax rate
B) that saving is not an important determinant of a nation's ability to produce output
C) that reducing the budget deficit instead of changing the tax laws could raise saving
D) that changes in the tax laws to induce saving would distribute the tax burden less fairly