A-A+
Not until 1959 ______ this compound.A．that che
问题详情
Not until 1959 ______ this compound.
A．that chemists succeeded in obtaining
B．did chemists succeed to obtain
C．chemists succeeded in obtaining
D．did chemists succeed in obtaining请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：本题考查倒装句的用法。当否定词位于句前时，句子应用部分倒装。词组“be succeeded in+doing”表示：在哪方面取得成功。
