About Erma point which of the
following statements are correct?()
选项：

A:It’s also called Errenshangma,
Shangma
B:It’s on the back of the palm, at
the depression of the fourth and fifth metacarpal heads
C:It’s the main method of tonifying
kidney and nourishing yin
D:If there are dry rales in the lung, we
should combine it with kneading Xiaohengwen, if there are damp rales
in the lung, we should combine it with Zhangxiaohengwen