13 Mary told me that she an old people house the next day.A、will visit B、would visit C、shall visit D、is going to visit 这题的答案是B,我想知道选B的理由,还有不选其他选项的理由,

13 Mary told me that she an old people house the next day.
A、will visit B、would visit C、shall visit D、is going to visit 这题的答案是B,我想知道选B的理由,还有不选其他选项的理由,

B
因为主句是过去时态,从句也要用过去时态. 只有B would visit 表示过去将来时