--- How is the man injured in the accident?

---- The doctor said if ________ in a proper way, he was likely to be saved.

A．treated

B．treating

C．is treated

D．to be treated

下述地基处理施工措施中，属于排水固结的有( )。

A．砂井

B．塑料排水带

C．水平砂垫层

D．井点降水