Color is a result of the absorption and reflection of light. A shirt appears a color because it reflects that color of light. A shirt appears black when it absorbs all wavelengths of light.
Answer
A
The light is transmitted through the shirt, so no color appears.
B
The shirt absorbs the sunlight, so it appears white.
C
All the light is reflected, so the shirt appears white.
D
The sunlight refracts when it hits the shirt, so the shirt appears white.