Which one of the following paraphrases is not using negative structure?
A、Even the modestly educated adult can be upset by such an experience.
  No modestly educated adult can fail to be upset by such an experience.
B、
More and more people are aware of the inadequacies of four judicial system.
  There has been an increasing awareness of the inadequacies of our judicial
 system.
C、 Any exposure to radiation will lead to certain damage.
  There is no exposure to radiation but will cause damage. 
D、
A fearful price has to be paid whenever we accept the challenges of the future.
  It is impossible to accept the challenge of the future without paying a fearful 
future