– Would you show me ____ an e-mail , please?

-- Sure.

A．how to make

B．how to send

C．which to make

D．when to send

具有疏通全身气机，促使气机畅达的是

A．肝的功能

B．心的功能

C．脾的功能

D．肺的功能

E．肾的功能