The normal higher and lower glide path angles for a 3-bar VASI a

The normal higher and lower glide path angles for a 3-bar VASI are _______ respectively.

A.3°, 2.75°

B.3.25°, 3°

C.3.25°, 2.75°

D.3.5°, 3.25°

正确答案是B