C1030 pincer attack
After watching Zhang Can leave, Cao Ziyang asked Wen Xiao: "What do you think?"
"There is nothing to doubt. Whether it is thoughts or actions, they are all within calculation!" Before entering, Cao Ziyang had specifically instructed Wen Xiao to pay attention to Zhang Can's every move.
Therefore, at that time when Cao Ziyang and Zhang Ye were talking