A Ray of Light Passes from Air into a Block

Multiple Choice

A ray of light passes from air into a block of glass with a refractive index of 1.59 as shown in the figure. Note: The drawing is not to scale.
What is the value of the distance D?

A) 1.42 cm
B) 1.66 cm
C) 1.93 cm
D) 2.19 cm
E) 2.38 cm