【问题】 . I had just started back for the house to change my clothes ____ I heard voices. A) as B) when C) after D) while

. I had just started back for the house to change my clothes ____ I heard voices. A) as B) when C) after D) while

正确答案:B

题目解析:本题出自东北农业大学,东北农业大学大学英语Ⅲ,由丰阳塔题库搜集整理。