When it comes to facts about worldwide patterns of development, it is not true that D. The largest concentration of the least-developed countries in the world today is in Latin America.
The continent of Africa has 54 countries with 46 of them being classified as least-developed countries.
This means that Africa has the highest concentration of least-developed countries and not Latin America.
Find out more on least-developed countries at https://brainly.com/question/1308790.