Mr．Smith gave the attendants a wonder lecture      the company in the international conference.

A．on behalf'of

B．owing to

C．in the place of

D．standing for

“理会得熟时，道理便在上面。又如律历、刑法、天文、地理、军旅、职官之类，都要理会，虽未能洞研其精微，然也要识个规模大概、道理方泱洽通透”这段话提倡的是（）

A.格物致知

B.发明本心

C.知行合一

D.致良知