The scores of A and B in an examination are in the ratio 11 : 14. After an appeal, their scores increase by the same amount and their new scores are in the ratio 47 : 56. The ratio of B’s new score to that of his original score is

A. 5 : 4
B. 8 : 5
C. 4 : 3
D. 3 : 2
E. 8 : 3