An electric iron draws 10 A, an electric toaster draws 5 A and an electric refrigerator draws 3 A from 220 V service line. If all the three appliances, connected in parallel, operate at the same time, the rating of the fuse for their operation should be
(A) 15 A
(B) 20 A
(C) 10 A
(D) More than one of the above
(E) None of the above