While I ______ a sunny afternoon in the park yesterday, I suddenly noticed a strange man ______

towards me.[ ]

A. enjoyed, walked

B. was enjoying, walk

C. was enjoying, walking

D. enjoyed, to walk

《医疗废物管理条例》的适用范围不包括（）。

A.医疗机构

B.妇幼保健机构

C.计划生育技术服务机构

D.医学科研教学机构

E.美容美发服务机构