题目

MV创作的一般流程有：①构思创意②制定计划③收集与选择素材④确定主题⑤编写脚本⑥制作MV，正确的顺序是（ ）。 A . ①②③④⑤⑥ B . ④①⑤②③⑥ C . ②③⑤④⑥① D . ④②③①⑥⑤ 答案：B By the time I locked the door,I realized I ________ my keys at home． [　　] A． had repaired B． have forgotten C． had forgotten D． had left