单选题 Barry had an advantage over his mother _____ he could speak French.无

【正确答案】 B

【答案解析】句意：贝利比他母亲多具备一个优势，因为他会说法语。in that意为“因为；由于” ，是一个表弱原因关系的连词，一般用于书面语。 at that而且。 so that以便；所以。