AFTER A FEW DECADES OF THE ECONOMIC REFORMS, VIETNAM HAS INCREASED...

9. - 25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN
25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN

9. After a few decades of the economic reforms, Vietnam has increased the living _______ of people.

A. surfaces

B. standards

C. levels

D. backgrounds