A. Shift from D1 to D3
B. Shift from D1 to D2
C. Movement from point a to point b
D. Movement from point b to point a
ANSWER:
D. Movement from point b to point a
A. Shift from D1 to D3
B. Shift from D1 to D2
C. Movement from point a to point b
D. Movement from point b to point a
ANSWER:
D. Movement from point b to point a