—Have you got any trouble finding your way in Shanghai?

— Yes，I tried to fid the way to the airport but ______.

A．has been lost

B．got lost

C．lost

D．get lost.

三国时期，以道家清净养生、无为治世为主的黄老学向宗教化发展，又与方仙道结合，行成了黄老道，行其术者被称为方士。