语法与词汇 Barry had an advantage over his mother _____ he could speakFrench.
【正确答案】 B
【答案解析】句意:贝利比他母亲多具备一个优势,因为他会讲法语。本题考查的是短语用法。in that表示“因为”,“既然”,一般用于书面语。so that在意思上不符合此句内容。