请选择ABCD6y7E0H0L/^.m I have _____ uncle named Mike.0L0~8E9I(E/^/G.@
A. an0L0~8E9I(E/^/G.@
B. a0L0~8E9I(E/^/G.@
C. the0L0~8E9I(E/^/G.@
D. /0L0~8E9I(E/^/G.@