[单选题]
An image is 4.0 cm behind a concave mirror j,*ul ugpc 1l+with focal length 5.0eqp *eum5 fyo;h wg-g)wv 50s1 cm. Where is the object? g*qohg)5svw5myfw- p e0;1ue
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
