Great changes have taken place in that school. It is no longer _______ it was 20 years ago, _______ it was so poorly equipped.

A．what; when

B．that; which

C．what; which

D．which; that 

某法院派其工作人员赵某向原告送达判决书，赵某将判决书交给原告指定的代收人李某签收。这属于何种送达方式：

A．直接送达

B．间接送达

C．留置送达

D．代理送达