成人英语三级考试

【单选题】At no time ______ what was happening.
A. the President was aware of
B. the President was aware about
C. was the President aware of
D. was the President aware on

网考网参考答案：C
网考网解析：
[分析] at no time是含有否定词的短语，置于句首，句子倒装。be aware of是固定短语。 查看试题解析出处>>