It was in the remote mountain areas        I spent the gap year        I learned how to work with a group of strangers and how to look after myself.

A．where; that

B．when; that

C．where; when

D．that; where

单层工业厂房的组成中，支撑系统承受的荷载主要是墙体和构件的自重以及作用在墙上的风荷载。（）