A visual metaphor is effective because _________________.a.it provides a way to pass down stories from generation to generation.b.it is the only known artistic method that allows artists to convey both his/her tastes and ideas at the same time.c.it is a visual representation of a group or culture’s beliefs, which can be understood by all people.d.it allows an artist to use one or more images to replace another, in order to convey a message or idea.