As the Earth rotates, the Sun will appear to move across the sky. What will happen to the marmot's shadow between late morning and sunset?
A. The shadow will shrink until it vanishes as the Sun sets.
B. The shadow will first grow larger and longer, then it will shrink until it vanishes as the Sun sets.
C. The shadow will grow much larger and longer throughout the entire day.
D. The shadow will first grow shorter and smaller, then it will become much longer and larger.