B选项:Correct. 对于通常都有大量的商业交易的公司来说采用等级制管理结构是必要的。这个选项定位在“Increases in the volume of transactions in such firms are commonly believed to have necessitated this structural change.”作者在接下来的行文中没有反驳这句话。
screen,有“掩护,筛选”的意思
funds screen companies according to a variety of criteria,基金根据不同的标准来筛选公司
according to/in accordance with
according to,介词+名词,表“根据”,偏口语化的表达
in accordance with,介词,接名词,表“与……一致,等同于,依据”,常用于引述法律条文,如:
In accordance with Article 72 of the Act, employees of the Company have the right to form a representative body.
科学实验用experiments表达,experimenting、experimentation都不准确