It was a(n) ________ situation, because the restaurant was too expensive for us but we didn't want to just leave.[ ]

A．amazing  

B．curious

C．desperate  

D．awkward

透平式压缩机与往复式压缩机比较具有（）的优点。

A、操作维护简单

B、运转稳定

C、升压能力强

D、体积小