在金融危机的冲击下，企业间的竞争越来越激烈，企业兼并和破产的现象也越来越多，企业兼并                                        

①是价值规律作用的结果    ②要发挥政府调控的基础性作用

③是市场失灵的表现        ④是优化资源配置的客观要求

A．①②

B．③④

C．②③

D．①④

She’s having a lot of trouble with the new computer,but she doesn’t know whom to______.

A．turn to

B．look for

C．deal with

D．talk about