Each Fall,most Deciduous Trees Produce Vibrant Colored Leaves

Each fall,most deciduous trees produce vibrant colored leaves.Which statement best explains why a leaf may turn yellow in the fall?

A) The green pigment in the leaves decreases in the fall.
B) The yellow pigment production increases in the leaves in the fall.
C) The green pigment turns yellow in the leaves in the fall.
D) The increased daylight in the fall burns the leaves.
E) The yellow pigment is a method of camouflage for the tree.