Which of the Following Took Place at Petersburg

Which of the following took place at Petersburg?

A) Lee took great risks because he knew that he could easily replace the dead and wounded.
B) Grant had chased Lee's troops and put the trapped Confederates under siege.
C) Both sides agreed on a draw because to attack with such uneven odds would be inhumane.
D) Lee received plentiful reinforcements, which caused Grant's forces to retreat.
E) A victory boosted Confederate morale, as it prevented the further loss of supplies.