英语课本后面的题目,让我很头大,不知道怎么回答,没思路想不通,

英语课本后面的题目,让我很头大,不知道怎么回答,没思路想不通,
Rob was working for a major firm; he was cool,confident,and dressed well,spoke well and had a great plan to move of the corporate ladder.Rob was promoted,after being promoted the company hired someone to be Rob's advisor.Rob's advisor had no previous experience even being a manager,but he seemed to excel and became the general manager.meanwhile Rob stayed at the same position for years to come,but he still looked the part and spoke the part.Rob then decided to start his on restaurant business.Rob contunued to use his management skills from his previous firm.
how do you think the advisor was so successful without having any experience?
结合这段文字,看下这个问题,我非常迷茫.中文英文的回答都可以,关键是我没思路~跪谢!