You are treating a 40-year-old female patient who was entrapped after a building collapse. The patient is awake and alert with a patent airway; non-labored breathing; weak, rapid regular radial pulses; breath sounds are clear and equal; stable pelvis; delayed capillary refill in both lower extremities; numbness and tingling in her left lower extremity; and, swelling in her right lower extremity.Which of the patient's signs is a late sign of crush injury?

a) Numbness and tingling in the left lower extremity
b) Swelling in the right lower extremity
c) Delayed capillary refill in both lower extremities
d) Weak, rapid regular radial pulses