Scan the QR code to find class

A university in Shenyang, Liaoning province is now offering a convenient Wechat platform for freshmen - all they need to do is scan the QR code or barcode and they will be added into their class group. The QR code for the various classes are displayed on billboards placed in prominent locations on campus. Students in the same class can then communicate with each other in Wechat groups at their convenience.

Where is the university which offers freshmen QR code to scan?

A. In Shenyang, Liaoning

B. In Dalian, Liaoning

C. In Liaoyang, Liaoning