get有买的意思.
give送,给的意思.
bring拿来
应该选A get.
I am hungry .Could you buy me something to eat,please?
我饿了.你能给我买点东西吃吗?
I am hungry .Could you get me something to eat,please?
我饿了.你能给我弄（包括买）点东西吃吗?