While Standing Behind the Control-Booth Barrier,a Radiographer Makes a Radiographic

While standing behind the control-booth barrier,a radiographer makes a radiographic exposure.The x-rays scattered from the patient's body should ____________________.

A) not have enough energy remaining that will reach behind the control-booth barrier.
B) scatter only once before reaching any area behind the control-booth barrier.
C) scatter a minimum of 2 times before reaching any area behind the control-booth barrier.
D) scatter a minimum of 10 times before reaching any area behind the control-booth barrier.