An Object Is Placed in Front of a Thin Lens

Multiple Choice

An object is placed in front of a thin lens. Which statements are correct in describing the image formed by the lens? (There could be more than one correct choice.)

A) If the lens is concave, the image must be virtual.
B) If the lens is convex, the image must be real.
C) If the image is real, then it is also inverted.
D) If the lens is convex, the image will never be virtual.
E) If the image is real, then it is also upright.