耳鸣渐发如蝉，按之鸣声减轻或暂停者，多因
A．肝胆火盛
B．阴虚火旺
C．气滞血瘀
D．肾精亏损
E．痰湿犯肺
参考答案：D
一个长为3cm，宽为2cm的矩形，若该矩形的长和宽同时增加相同的长度，使得增加后的矩形面积是原矩形面积的2倍，问：长和宽同时增加了多少厘米？
Rosa regretted giving her opinion about the decision directly, feeling ________ she should have expressed it differently.
A．how
B．why
C．that
D．if
