In the short story The Discus Thrower, why does the patient want a pair of shoes?

A、
A、 Because his shoes was taken away by the head nurse.;
B、
B、 Because his shoes had been thrown away by himself.;
C、
C、 Because he missed the old days when he could walk aroud freely.;
D、
D、 Because he wanted to put on the shoes when he was recovered.