A, B and C work on a task. To complete the task alone, B takes twice the time that A would take to complete the task alone and 2/3rd the time that C would take to complete the task alone. If B actually worked for half the number of days that A worked and 3/2 times the number of days that C worked, what proportion of the total work was completed by B?
A. 1/3
B. 2/9
C. 9/49
D. 7/19
E. 1/6
A. 1/3
B. 2/9
C. 9/49
D. 7/19
E. 1/6