If percentage reduction in area of a certain specimen made of material 'A' under tensile test is 60% and the percentage reduction in area of a specimen with same dimensions made of material 'B' is 40%, then
A. The material A is more ductile than material B
B. The material B is more ductile than material A
C. The ductility of material A and B is equal
D. The material A is brittle and material B is ductile