Hardly ________ before ________ A. had I left / did the trouble start B. had I left / the trouble started C. I had left / the trouble started D. I had left / did the trouble start27/50Hardly ________ before ________ had I left / did the trouble starthad I left / the trouble started I had left / the trouble startedI had left / did the trouble startGiải thíchChọn đáp án B