—Mark broke his leg when he was playing football .

—         was that ?

A．Since when

B．Since when ago

C．How long

D．How long ago

隋唐时期出现“三教合一”的趋向，儒、佛、道三家逐渐融合。“夫圣人虽在庙堂之上，然其心无异于山林之中”这一观点体现的是

A．佛教与道教的融合

B．儒学与佛教的融合

C．三教的融合

D．儒学与道教的融合