Feng,a Single 40 Year Old Lawyer,is Covered by a Qualified

Feng,a single 40 year old lawyer,is covered by a qualified retirement at work.His salary is $109,000,and his total AGI is $125,000.The maximum contribution he can make to a Roth IRA in 2015 is

A) 0)
B) $3,300.
C) $2,200.
D) $5,500.