一般情况下，良性前列腺增生症最早出现的症状是（）。
A.尿频
B.排尿困难
C.血尿
D.尿痛
E.尿急
参考答案：A
设a＜b，用“＜”或“＞”号填空：﹣2a( )﹣2b
she grew older she gained in confidence. [ ]
A. With
B. As
C. While
D. When
