Cantonese, a dialect from southern China that has dominated (控制) the Chinatown of North America for decades,_____ aside by Mandarin, the national language of China.
-Shall we go for a picnic this Saturday? . Will next Saturday be OK?
A. Sure, it’s up to you
B. Sure,it's no problem
C Sorry, I can’t make it
D.Sorry, I'm not available today