I'm a Grad Student!

Mr. Mandre: Are you a under or grad student?
Me: uh..... I'm a grad student...(OS: isn't this a grad school course???)
Mr. Mandre: ........(speechless)
Mr. Mandre: You look young.
Me: (OS: if that can make my final project easier, I'm willing to pretend XD....$#@$@#!$%)