Martha, a New Computer User, Looks at the Maze of Cables

Martha, a new computer user, looks at the maze of cables connected to each adapter found in the back of her computer. Like a motivated detective she is determined to uncover the mysteries of what she sees. The simplest way for her to identify what the adapters do is to

A) Open the computer case and read the name and model number found on each adapter.
B) Follow the cable from the adapter to the device to which it is connected.
C) Remove each adapter and observe computer operation without it.
D) Ask a computer technician to bring special signal detection devices to read the functions of each adapter.