The location of EX-UE 10 Sifeng is（ ）

A、between the first and fifth fingers, proximal to the web margins between the five fingers at the junction of the red and white skin.;

B、On the palmar surface of fingers, at the midpoint of the transverse crease of the interphalangeal joints of the thumb，index，middle and ring fingers;

C、On the palmar surface of fingers, at the midpoint of the transverse crease of the proximal interphalangeal joints of the index，middle，ring and little fingers;

D、On the palmar surface of fingers, at the midpoint of the transverse crease of the proximal interphalangeal joints
of the thumb，index，middle and ring fingers;

E、On the palmar surface of fingers, at the midpoint of the transverse crease of the metacarpophalangeal
joints of the index，middle，ring and little fingers