题目

植物体运输水分的结构是                  ，该结构主要存在于绿色开花植物的              ，                、                  等器官中。植物体运输无机盐的结构是                     ，无机盐一般溶解在                  中运输；植物体运输有机物的结构是                 。--I'm sorry I won't be able to go with you. --But you _______ us you _______ . [　　] A. tell, are going to B. told, are going to C. told, were going to D. tell, were going to