[单选题]
An object is located 2.6 m in fron,goc d-so*2x.v rt6c -qe(mxh t of a plane mirror. The image 2+d phuqa soydu+ 1w*b8p+ qb4formed by the mirror ad 8dh2*p4b+ya+ 1usu qow qp+bppears to be
A. 1.3 m in front of the mirror.
B. on the mirror's surface.
C. 1.3 m behind the mirror's surface.
D. 2.6 m behind the mirror's surface.