The president was so absorbed in his work that not a sound . A. did she dare to makeB. dar

问题补充：

The president was so absorbed in his work that not a sound .

A. did she dare to make

B. dared she to make

C. she dared make

D. she did dare to make

答案：

(答案→)A. did she dare to make

B. dared she to make

C. she dared make

D. she did dare to make

解析：考查倒装句。not为否定词谓语句首应用部分倒装，有根据was absorbed in可知，是过去时，所以A项正确。