*For most high-income countries of the world, GDP _________________ over time.
A. has proven to be stable
B. has risen gradually
C. has declined slightly
D. has sharply risen
Answer:B
*For most high-income countries of the world, GDP _________________ over time.
A. has proven to be stable B. has risen gradually C. has declined slightly D. has sharply risen
Explanation: Type: Multiple Choice