A. All contributions to a Traditional IRA are tax-deductible, regardless of the taxpayer's income level.
B. Taxpayers covered by an employer-sponsored retirement plan can always deduct their Traditional IRA contributions.
C. Taxpayers with high incomes may face limits or restrictions on the tax deductibility of their Traditional IRA contributions.
D. Taxpayers who contribute to a Roth IRA can also deduct their Traditional IRA contributions.