— Did you happen to see _______ black and _______ white cat?

— Are they missing? I told you to take care of them.

A．a; 不填

B．the; 不填

C．the; the

D．a; the

（）是北宋新古文运动的领袖，也是“唐宋八大家”之一。他的代表作有《醉翁亭记》、《秋声赋》等名篇。