John wrote this novel, didn’t he? A. This novel was written by John, didn’t he? B. This novel was written by John, wasn’t it? C. Did this novel be written by John, didn’t he? D. Did this 31/50John wrote this novel, didn’t he? This novel was written by John, didn’t he? This novel was written by John, wasn’t it? Did this novel be written by John, didn’t he? Did this novel be written by John, didn’t it?Giải thíchChọn đáp án B