Which of the following combination of herbs is incompatible? ______. A: Shashen and Laifuzi B: Shengjiang and Banxia C: Fuling and Huangqi D: Shigao and Zhimu

​Which of the following combination of herbs is incompatible? ______.‎ A: Shashen and Laifuzi B: Shengjiang and Banxia C: Fuling and Huangqi D: Shigao and Zhimu