企源知识库

The improvements in technology have______the prices of computer considerably in recent months.
A、brought back
B、brought down
C、brought on
D、brought up
【正确答案】：B
【题目解析】：bring back 拿回来 bring down 打倒；bring on 导致；bring up 提出句意：近几个月来，技术的进步使电脑的价格大幅度下降。