A Quadriplegic Patient Who Was Admitted for Pneumonia Was Found

A quadriplegic patient who was admitted for pneumonia was found to have a stage III pressure ulcer. A nurse explains to the patient's mother that she will know that the pressure ulcer is in the reconstruction phase of healing when

A) A scab has formed over the wound.
B) Pink or red tissue can be seen in the wound.
C) The wound becomes warm to the touch.
D) A healing ridge has developed beneath the wound.