Sanjay writes the following step and explanation in a set of instructions: Pour the rice into boiling water. Avoid overfilling the pot with rice as it may burn and remain undercooked.
What type of explanation does Sanjay use to help readers?

A. He defines unfamiliar terms for readers.
B. He suggests how readers should make a decision.
C. He advises what readers should avoid and why.
D. He states why the step is so important.