Weaving mast in Dinh Yen, Dong Thap used to be sol...

Câu hỏi: Weaving mast in Dinh Yen, Dong Thap used to be sold in the “ghost” markets set up at night and operate up to early morning__________ the government built a new market five years ago.

A. when

B. until

C. after

D. as soon as