考研英语的疑惑回答的有耐心我一定加分哦呵Outsidedirectorsaresupposedtoserveashelpful,yetlessbiased,advisersonafirm‘sboard.Havingmadetheirwealthandtheirreputationselsewhere,theypresumablyhaveenoughindepen

　　考研英语的疑惑回答的有耐心我一定加分哦呵

　　Outsidedirectorsaresupposedtoserveashelpful,yetlessbiased,advisersonafirm‘sboard.Havingmadetheirwealthandtheirreputationselsewhere,theypresumablyhaveenoughindependencetodisagreewiththechiefexecutive’sproposals.Ifthesky,andthesharepriceisfalling,outsidedirectorsshouldbeabletogiveadvicebasedonhavingweatheredtheirowncrises.

　　问题一、Havingmadetheirwealthandtheirreputationselsewhere是做谁的伴随状语啊?

　　问题二、basedonhavingweatheredtheirowncrises是怎么理解的啊.

　　问题三、22.WelearnfromParagraph2thatoutsidedirectorsaresupposedtobe.

　　　[A]generousinvestors

　　[B]unbiasedexecutives

　　[C]sharepriceforecasters

　　[D]independentadvisers

　　这个题目选B但是我选了D为什么选B啊?我认为他们是建议者（Outsidedirectors）而不是管理者.当然我知道我错了,就是找不出为什么.