A student is told to propose a design for a device capable of producing an image like the one shown below of the interior of the human body.
Which statement BEST explains why the student should propose the use of X-rays by the device?
A The high speed of X-rays allows them to be used safely on human patients.
B The brightness of X-rays means they last a long time once they are produced by a machine.
C The rarity of X-rays in nature means they can be used in machines without other X-rays blurring images.
D The high energy of X-rays allows them to pass through the human body.