【单选题】

Suppose, on arriving in Shanghai by Cathy Pacific flight on Thursday, you're told to return to Hong Kong by Cathy Pacific Airways immediately. Now the most proper way is ______.
A．to take the same day’s flight from Shanghai to Hong Kong

B．to stay in Shanghai and take the Friday’s flight from Beijing to Hong Kong
C．to go to Beijing and take the Friday’s flight
D．to wait until Saturday