Asking about the university courses [closed]

What course are you doing?

or

What course are you taking?

or

What course are you studying?

or

What course are you enrolled in?

Google Counts:

• "what course are you doing" university: 70K
• "what course are you taking" university: 20K
• "what course are you studying" university: 20K
• "what course are you enrolled in" university: 1.5K

I suspect this one will vary depending on where you want to ask it.

"What course are you doing?" would certainly be fine in the UK, but US universities typically don't impose such rigid course structures, and I believe you'd be better off asking: "What's your major?"

At certain universities, the correct question would be

What are you reading?