An Object Is Placed to the Left of a Spherical

An object is placed to the left of a spherical mirror in front of the mirror. If the image of the object is formed on the right side of the mirror, which of the following statements must be true? (There
Could be more than one correct choice.)

A) The image is upright and the mirror must be convex.
B) The image is upright and virtual.
C) The mirror could be either concave or convex.
D) The image is upright and the mirror must be concave.
E) The image is inverted and real, and the mirror must be convex.