500
If it is raining, my feet will get wet. If the sprinklers outside my office are on, my feet will get wet.
Based on the information above, which of the following MUST be true?
A. If my feet are wet, it was raining and the sprinklers outside my office were on.
B. If my feet are wet, then the sprinklers outside my office were on
C. If it is not raining, my feet will not get wet
D.If it is not raining, the sprinklers outside my office are on
E. If my feet are not wet, it is not raining and the sprinklers outside my office are off
E. If my feet are not wet, it is not raining and the sprinklers outside my office are off