Your portable computer has a Virtual Private Network (VPN) connection configured. You need to connect to the VPN.<br /> What should you do?()<br /> <img src="https://nimg.ppkao.com/2018-07/gelingxia/2018073115210636836.jpg?sign=af23821a2ccedf3e389d6ed2bc90a2c2&t=62d1e583" />
A、A
B、B
C、C
D、D