____ you ever ____ on TV before you ____ in this reality show?

A. Had ... appeared - took part

B. Have ... appeared - took part

C. Did ... appear - had taken part

D. Would ... appear - took part

A.  2 y - 3 x y - x

B. x - y 3 x - 2 y

C. y - x 2 y - 3 x

D. 2 y - 3 x x - y

dễ thế mà cũng hỏi