Help Here~ TT GWD-8-17

Q17:

Although the restaurant company has recently added many new restaurants across the country and its sales have increased dramatically, its sales at restaurants open for more than a year have declined.

1. the restaurant company has recently added many new restaurants across the country and its sales have increased dramatically, its
           
2. the restaurant company has recently added many new restaurants across the country and its sales increased dramatically, its
           
3. many new restaurants have recently been opened across the country and its sales increased dramatically, the restaurant company’s
           
4. having recently added many new restaurants across the country and with its sales increasing dramatically, the restaurant company’s
5. recently adding many new restaurants across the country and having its sales increase dramatically, the restaurant company's

请问 E错在哪？ its 指代的清？               Answer：A

选项E,recently adding没有合适的逻辑主语,the restaurant company's sales是不能完成add这个动作的