Since the processing time of 4 workers working in an enterprise and processing the same part is 5 minutes for the 1st worker, 6 minutes for the 2nd worker, 10 minutes for the 3rd worker and 15 minutes for the 4th worker, in this enterprise, the average number of times a worker can handle a piece is works per minute? Answer options group

A)7.5

B) 0.53

C)10

D)8.19