[单选题]
An image is 4.0 cm behind a concave mirror with focal lenj.8*k2 lomd itgt3iemcc cx x0/r:q*gjgd );2kgh 5.0 cm. Where is the objm;:i2gcrkcedcxqxg *0j g/3) ect?
A. 2.2 cm in front of the mirror
B. 2.2 cm behind the mirror
C. 9.0 cm in front of the mirror
D. 1.0 cm behind the mirror
