A country cannot be prosperous if it is not quite independent.
A.
Unless a country is quite independent, it can be prosperous.
B.
Without complete independence, a country can be prosperous.
C.
Only when a country is quite independent can it be prosperous.
D.
It is not until a country is quite independent can it be prosperous.
Đáp án và lời giải
Đáp án:C