Our waste recycling project ________ a lot of investigation and paperwork had been done by the end of last term.

A．involved

B．to involve

C．being involved

D．involving

病人五心烦热，盗汗，口咽干燥，颧红，舌红少津，脉细数，此为（）

A.里实热证

B.里实寒证

C.表实热证

D.里虚热证

E.表虚热证