题干
______ (T/t)hey were still working in the field ______ it rained heavil.
A：/; but
B：/; although
C：Although; /
D：Although; but
答案(点此获取答案解析）
B
______ (T/t)hey were still working in the field ______ it rained heavil.
A：/; but
B：/; although
C：Although; /
D：Although; but
