It can be deduced that the central idea that's in the text is C. Refusing to address an issue is not the same thing as curing it.
The central idea in a text simply means the main idea that's in the text. It's simply what the author wants the readers or the audience to know.
From the complete question, the central idea that's in the text is that refusing to address an issue is not the same thing as curing it. The author stated that when there are differences, people should address them rather than overlooking them.
The baobab tree is also called the tree of life and it can provide shelter, clothing, food and water for the animals and humans. Since 90% of the Republic of Congo is Christian, the religion mentioned should be an ethnic religion or indigenous religion.