A fiber-optic cable (A) across the Pacific (B) went into service (C) in April 1989, (D) link the United States and Japan.Đoạn văn63/74A fiber-optic cable (A) across the Pacific (B) went into service (C) in April 1989, (D) link the United States and Japan.Nhập câu trả lời ở đây0/3000 ký tựXác nhậnGiải thíchĐáp án: D