Affected by their good deeds, I was ________ to join them in helping the old.

A．anxious

B．worried

C．curious

D．eager

军用危险货物包装的（）、规格和结构应当适应所装运的军用危险货物性质，包装容器与所装货物不得发生危险反应或者削弱包装强度。

A、方法

B、衬垫

C、材质

D、质量