Mark the letter A, B, C, or D on your answer sheet to indicate the correct one to complete each of the following sentences.
Trả lời câu hỏi dưới đây:
Now that they have read it in ________, they believe me.
A. black and white = Communication by means of written symbols (either printed or handwritten) = phương tiện giao tiếp bằng chữ viết