Mr Paul, Age 73 and Single, Earned a $150,000 Salary

Mr. Paul, age 73 and single, earned a $150,000 salary as a university professor. He no longer participates in the university's qualified retirement plan. Which of the following is true?

A) Mr. Paul can make a $6,000 deductible contribution to a traditional IRA.
B) Mr. Paul can make a $6,000 nondeductible contribution to a traditional IRA.
C) Mr. Paul can make a $6,000 nondeductible contribution to a Roth IRA.
D) Mr. Paul can't make an IRA contribution.