Answer:
By order of increasing magnitude:
D. Make sure the USB device is plugged in properly.
A. Try a different USB cable.
B. Replace the USB device.
C. Install a new USB controller card.
Explanation:
Start with whatever is simplest first. Most errors are simply ID-10-T mistakes.
Src="/absolute/or/relative/path/to/image.file"
This would be a mentor-D. They role is to mentor or guide you with advice or assistance. A role model is a similar answer in that they respect you, but they might not offer advice or assistance which makes it incorrect.
Three inputs have 8 possible states.
Here they are:
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1