, we decided to spend the night at the foot of the mountain.
A. With the moon appeared
B. The moon appeared
C. The moon being appeared
D. As the moon appeared
网友回答
A. With the moon appeared
B. The moon appeared
C. The moon being appeared
(答案→)D. As the moon appeared
解析：考察句型结构。根据句子结构可知，该部分作状语，排除B。月亮和出现是主动关系，排除C。With的符合结构doing表主动，done表被动，所以A应当是with the moon appearing, 所以答案选择D，
句意为，当月亮出现的时候，我们决定在山脚下过夜