Put the steps of satellite imaging in order.
A remote-sensing satellite orbits Earth.
image 
The data are transmitted as computer codes, which are turned into electronic dots (called pixels) on a screen.
image 
The pixels are used to form an image of each section of the targeted area.
image 
Sensors record the energies reflected, or emitted, by the target area on the surface.
image 
A: Step 1
 
B: Step 2
 
C: Step 3
 
D: Step 4