【题目】Not until he retired from teaching three years ago ___ having a holiday abroad.
A. he had considered B. had he considered
C. he considered D. did he consider
在线课程【答案】D
【解析】
考查部分倒装。句意：直到他三年前退休，他才考虑到国外度假。Not until位于句子开头句子用部分倒装，再根据three years ago可知句子用一般过去时态，故答案为D。