Three men A, B, C working together can do a job in 6 h less time than A alone, in 1 h less time than B alone and in one half the time needed by C when working alone, Then, A and B together can do the job in:

• A. 2/3 h
• B. 3/4 h
• C. 3/2 h
• D. 4/3 h