It was an exciting moment for these fans this year, _____ for the first time in years they

saw their favorite singers. [ ]

A. that

B. which

C. when

D. while

下列( )案件不应由人民检察院直接立案侦查。

A．骗取出口退税案

B．受贿案

C．私分国有资产案

D．徇私舞弊不征、少征税款案