请选择CBA5w'L0L)E/V:b.h.p)_-b She is ____actress. He is ____ policeman.*A(Q.i)G-V,s(d,o'u,v
A. a , an*A(Q.i)G-V,s(d,o'u,v
B. a, a*A(Q.i)G-V,s(d,o'u,v
C. an, a*A(Q.i)G-V,s(d,o'u,v