_______ the room when _______. A. Scarcely we had entered / did the telephone ring B. Scarcely had we entered / did the telephone ring C. Scarcely we had entered / the telephone rang D. S49/100_______ the room when _______. Scarcely we had entered / did the telephone ring Scarcely had we entered / did the telephone ring Scarcely we had entered / the telephone rang Scarcely had we entered / the telephone rangGiải thíchChọn đáp án D