Question

【题目】This pet shop is losing its customers ______ its staff work slowly and often make mistakes.

A. so B. because C. until D. although

Answer 1

【答案】B

【解析】

试题分析：句意：这个宠物店正在失去它的顾客们因为它的员工工作缓慢且经常犯错误。A. so因此；B. because因为；C. until知道；D. although虽然。根据句意及语境此题应选B。