For a Particular Process Q = 20 KJ and W $\Delta$

For a particular process q = 20 kJ and w = 15 kJ.Which of the following statements is true?

A) Heat flows from the system to the surroundings.
B) The system does work on the surroundings.
C) " $\Delta$ E" = 35 kJ
D) All of the above are true.
E) None of the above are true.