he got up early he still missed the early bus.A. Although butB. Because soC. Although

问题补充：

he got up early, he still missed the early bus.

A. Although, but

B. Because, so

C. Although, /

D. Because, /

答案：

A. Although, but

B. Because, so

(答案→)C. Although, /

D. Because, /

解析：Although, but不能同时使用，Because, so不能同时使用，故将AB排除，而又根据句子的意思，可知答案为C