Is the Chinese course in Mandarin?
Which dialect I learn in the Chinese course? Mandarin or some other?
I think the course said it was teaching Mandarin Chinese. I just started it today. It looks very hard.
It teaches Mandarin Chinese. I'm fairly certain that if a thing says it teaches Chinese, there's a 99.99999999999999999999999999999999999999% chance that the course teaches Mandarin.