Clearly, change simply takes time. But in addition...

Câu hỏi: Clearly, change simply takes time. But in addition, there has been active resistance on the part of many managers. These executives claim that supervising the telecommuters in a large work force scattered across the country would be too difficult(B), or, at least, systems for managing them are not yet developed, thereby complicating the manager’s responsibilities. It is also true that employees who are given the option of telecommuting are often reluctant to accept the opportunity. Most people fell that they need regular interaction with a group(C), and many are concerned that they will not have the same consideration for advancement(A) if they are not more visible in the office setting. Some people feel that even when a space in their homes is set aside as a work area,(D) they never really get away from the office.The author mentions all of the following as concerns of telecommuters   

A  the opportunities for advancement       

B the different system of supervision

C the lack of interaction with a group 

D the fact hate the work space is in the home