About grasping manipulation, the
following statements are correct()
选项：

A:Pinching then lifting is called
grasping.
B:There are two kinds of manipulation of
grasping, the three-finger grasping of the thum and the index and
middle fingers, the five-finger grasping of the thumb and other four
fingers.
C:Sink shoulders, drop elbows, lift up
backward and above or lift up at the same time or alternately, grasp
fast and leave fast, strong sense of rhythm.
D:Manipulation of grasping is an important
relaxation technique, which has the functions of dredging meridians,
activating blood circulation and removing blood stasis, and
dispersing external pathogens