Question

— Look at the problem!        it’s very difficult,        I have worked it out.
— Good job.

A．Although; /	B．Because; so
C．Because; /	D．Although; but

Answer 1

A

解析试题分析：句意：看这道难题，虽然它非常难，但是我已经算出来了。在英语中Because和so，although 和but,不能连用。根据句意，故选A。
考点：考查连词的用法。