— What were you up to when your parents came in?

— I ____ for a while and ____ some reading.

A．was playing； was going to do

B．played； did

C．had played； was going to do

D．had played； did

（C1-4）受累（）

A.双下肢呈上运动神经元性瘫，双上肢呈下运动神经元性瘫

B.双下肢下运动神经元性瘫，双下肢及会阴部各种感觉缺失，尿便障碍

C.四肢呈上运动神经元性瘫

D.双下肢呈上运动神经元性瘫

E.肛门周围及会阴部皮肤感觉缺失，大小便失禁