下面的玉米品种中，目前我国产量较小，储藏数量较小的玉米品种是（）。

A、硬质型

B、半马齿型

C、粉质型

D、糯质型

— Whom did you ________ the wall?  

— Jack. There________ masses of things for him to do, but he managed to finish the  work as required.[ ]

A. have painted; was

B. have paint; were

C. have to paint; were

D. have paint; was