All things _____, the planned trip had to be called off.

All things _____, the planned trip had to be called off.
A、considered
B、be considered
C、considering
D、having considered
【正确答案】：A
【题目解析】：考查独立主格结构。Consider与All things为动宾关系用过去分词。句意：一切事情考虑在内计划不得不被取消了。