It was very of you to let us know you were going to be late.
A. considering
B. considered
C. considerable
D. considerate
网友回答
A. considering
B. considered
C. considerable
(答案→)D. considerate
解析：considering 考虑,顾及,认为,鉴于； considered 考虑过的,被尊重的；considerable值得考虑的,相当可观的； considerate 考虑周到的。根据句意选D。