诊断高血压心脏病必须具备()。
A.主动脉瓣区第二心音亢进
B.就诊时血压升高
C.心尖区舒张期吹风样杂音
D.左心室增大
E.心尖区舒张期奔马律
参考答案:D
Little _____ that we were watching his every move, so he seemed to be going his own way in this business.[ ]
A. he realized
B. he didn't realize
C. didn't he realize
D. did he realize