Which one of the following statements is correct regarding the design concept of scale?

Which one of the following statements is correct regarding the design concept of scale?

A. The scale of the objects in a room can be varied for a special effect.
B. A room can’t have unity unless the scale of all objects in the room is the same.
C. When objects are arranged on each side of a centerline for formal balance, good scale will result.
D. If an object possesses good proportions, good scale in the arrangement is guaranteed.

Correct answer is option B. Explanation: A room can’t have unity unless the scale of all objects in the room is the same is the statement that is correct regarding the design concept of scale.