the sun was rising in the east.A. Arriving there B. We arriving thereC. Having arrived t

问题补充：

, the sun was rising in the east.

A. Arriving there

B. We arriving there

C. Having arrived there

D. We arrived

答案：

A. Arriving there

(答案→)B. We arriving there

C. Having arrived there

D. We arrived

解析：考查独立主格结构。当分词做状语的时候，如果分词的逻辑主语与句子主语不一致，可以把逻辑主语直接放在分词的前面，形成独立主格结构。本题的分词arriving的逻辑主语是人，而后面句子的主语是the sun，并不一致。故使用独立主格结构。把逻辑主语we放在arriving前面。故B正确。