an abuse of her position as manager 在句中作表语,其中as manager 是表语里的方式状语
What she did 是主语was是谓语an abuse of her position 是表语as manager 做方式状语
as manager 是修饰position的,作为经理的职位。an abuse of her position as manager,作为经理的滥用职权
有点儿迷糊。。。