. — Do you think there is anything ____ interest in the exhibition?

— Yes, I think some of the pictures are ____.

A．for; of help

B．of; of great help

C．in; of helpful

D．at; helpful

汉字的区位码、国标码和机内码(又称内码)是三个不同的概念，假设某个汉字的区号是35，位号是11，则它的国标码是( )。

A．6743

B．B591

C．432B

D．C3AB