A and B complete a work in 3 days. After 2 days B leaves and work is completed in 2 more days. How long would B alone take?

A and B complete a work in 3 days. After 2 days B leaves and work is completed in 2 more days. How long would B alone take?
A: 04 days
B: 06 days
C: 08 days
D: None of these