Question

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

A．Although

B．But

C．As long as

D．Because of

Answer 1

A

试题分析：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。