Concept:The direct method teaches a foreign language without using the learner's mother tongue, building a direct link between words and meaning.Explanation:The direct method focuses on speaking and listening. It avoids translation and uses actions, pictures, and real objects. This approach mimics how children learn their first language naturally. Therefore, it is often called the natural method. It contrasts with the grammar-translation method and encourages an inductive way of learning rules from examples.Answer:C. natural method