The diagram above can be best completed by the phrase, D. Low gross domestic product.
What completes the diagram on developing countries?
Developing nations have weaker economies which is why they have a low per capita income and cannot access expensive luxury goods as much.
They also have a lower gross demestic product because their economies are not strong enough to produce much goods.
In conclusion, option D is correct.
Find out more on developing nations at https://brainly.com/question/1518893.
