Which sentence with an introductory phrase is punctuated correctly?
A.According to Professsor White and his students the lecture, got right to the point.
B.According to, Professsor White and his students, the lecture got right to the point.
C.According to Professsor White and his students, the lecture got right to the point.
D.According to Professsor White, and his students, the lecture got right to the point.