Not until he retired from teaching three years ago having a holiday abroad.
(2012·辽宁，32)
A. he had considered
B. had he considered
C. he considered
D. did he consider
网友回答
A. he had considered
B. had he considered
C. he considered
(答案→)D. did he consider
解析：D
解析 句首是“Not until”，表达否定意义的连词短语位于句首时要用部分倒装，因此可以排除A、C两项。再分析句子结构可知，本空所在是主句部分，结合从句时态可知主句用一般过去时态。句意为：直到在三年前从教学上退休后他才考虑到国外度假。