No sooner \_\_\_\_ the announcement than the shareholders began demanding further clarification.
Adid the CEO make
Bthe CEO had made
Chad the CEO made正確答案
Dthe CEO made
答案與詳解
正確使用過去完成式以表達動作先後順序,並正確將 had 提前至主詞 the CEO 之前形成倒裝,完全符合 No sooner... than... 句型。
