41. Which of the following best defines a language proficiency test? (A) A test designed to measure how well a student has learned the specific content of a language course. (B) A test that determines a student's current language level in order to place them into an appropriate course or class. (C) A test that focuses on the individual's general knowledge of linguistic theory and grammar rules. (D) A test that assesses an individual's general ability to use a language in real-world contexts regardless of particular training.