问题补充：
He didn’t listen to the teacher carefully in class. , he couldn’t pass the exam.
A. Even though
B. As a result
C. Instead
D. In order to
答案：
A. Even though
(答案→)B. As a result
C. Instead
D. In order to
解析：Even though虽然,尽管;As a result因此,结果是;Instead代替,反而; In order to为了.句意:在课堂上,他没有认真听老师讲课,因此他没能通过考试.结合语境可知选B.
