[单选题]
An object is placed 15 cm from a conxym) hsh26tf;2 qc3lx cave mirror of focal length 20 cm. Ty/,yyws-rw2n3bv3 (y iocb, nhe object i(yr2wi /,y 3n,vn yc3bo wbys-s 4.0 cm tall. Where is the image located?
A. 12 cm behind the mirror
B. 12 cm in front of the mirror
C. 60 cm behind the mirror
D. 60 cm in front of the mirror