The answer to the question is B. The world’s arable farmland is unevenly distributed.
Not all soil is suitable for growing, like permafrost soil and soil that is too packed together.
Not every climate can support crops, like in Russia, there is permafrost ( soil that is frozen all year) that makes it hard to plant crops. It is also too cold for crops there.
Not all countries have the resources to grow food. Some countries may rely on hunting or fishing for food.
The best answer avalable is B. The world’s arable farmland is unevenly distributed.