it was late the students were still studying in the classroom.A. AlthoughB. ButC. As lon

问题补充：

it was late, the students were still studying in the classroom.

A. Although

B. But

C. As long as

D. Because of

答案：

(答案→)A. Although

B. But

C. As long as

D. Because of

解析：句意：尽管时间很晚了，可是学生们还是仍然在教室里学习。A.虽然；B.但；C.只要；D.由于。由题意可知选A正确。

考点: 考查连词的用法。