Since 1986, when the department of Labor began to allow investment officers' fees to be based on how the funds they manage perform, several corporations began paying their investment advisers a small basic fee, with a contract promising higher fees if the managers perform well.
正确答案--D. fees of investment officers to be based on the performance of the funds they manage, several corporations have begun
我选择的答案--C. that fees of investment officers be based on how the funds they manage perform, several corporations have begun
