对于 Student 类中，如果 StudentName 和 StudentNo 都可能是键码，则下列语句中正确的是（）。

A、<span lang="EN-US" style="FONT-SIZE: 14pt">Interface Student (Key StudentName, StudentNo)</span><p></p><p></p>

B、<span lang="EN-US" style="FONT-SIZE: 14pt">Interface Student (Key (StudentName, StudentNo))</span><p></p><p></p>

C、<span lang="EN-US" style="FONT-SIZE: 14pt">Interface Student (Key StudentName or StudentNo)</span><p></p><p></p>

D、<span lang="EN-US" style="FONT-SIZE: 14pt">Interface Student (Key StudentName and <span style="mso-spacerun: yes"></span>StudentNo)</span><p></p><p></p>