Hearing the sound, the animal disappeared into the bushes, ___ Mrs. Stone picked up her bag and ran all the way home.

A．after that

B．after what

C．after which

D．after when

（）关系到国家的生存与发展、安危与兴衰，是每个国家制定战略必须首先考察和关注的外部环境和条件。

A、邻国战略环境

B、国内战略环境

C、国际战略环境

D、国家发展战略