she---a story book when I -----into her rooma was reading went b read went c is reading is going d read was going选哪个 并说明理由
问题描述：
she---a story book when I -----into her room
a was reading went b read went c is reading is going d read was going
选哪个 并说明理由
答
she---a story book when I -----into her room
选A
状语从句
前面的动作是长动作所以用过去进行时
后面的是插在长动作里的短动作,所以用一般过去时