She spoke so fast and left the room before they were able to understand ______ she said meant.

A．what

B．that

C．what what

D．what that

氢氯噻嗪理化性质和临床应用为( )。

A．利尿药

B．主要是抑制肾小管对钠、氯离子的再吸收而产生利尿作用

C．有降血压作用

D．在水溶液中稳定

E．易溶于水