Only when _______ be possible to sign the papers.

A．does the lawyer come with it

B．the lawyer comes will it

C．has the lawyer come it will

D．the lawyer comes it will

企业置存现金的原因，主要是满足()。

A.交易性需要

B.预防性需要

C.风险性需要

D.投机性需要

E.固定性需要