Only after Helen moved to Australia ______ how important she was to me .

A．I had realized

B．had I realized

C．I did realize

D．did I realize

周某向朋友杨某借钱，并告诉杨某是去南方购买一批走私品，回内地待销完后，分给杨某一笔钱。杨某便把钱交给周某，对杨某应以什么罪名处罚

A．走私罪

B．行贿罪

C．受贿罪

D．走私罪共犯