-- Learning a language is not easy. It takes time.

--- I can’t agree more. __________. There is no short cut.

A． Make hay while the sun shines

B．All roads lead to Rome

C． Rome wasn’t built in a day

D．Practice makes perfect

患者呕吐吞酸，嗳气频繁，胸胁闷痛，脉弦。治疗应选用：( )

A．干姜

B．高良姜

C．吴茱萸

D．丁香

E．小茴香