Which two are true?()<br /> <img src="https://nimg.ppkao.com/2018-08/zhoulian/2018080113323249601.jpg?sign=96dd9929a9ee98f96e53eb1d5f5d9b4c&t=62d320ce" />
A、The output is mm.
B、The output is mc.
C、Component is-a Meter.
D、Component has-a Meter.
E、DeluxeThingy is-a Component.
F、DeluxeThingy has-a Component.