Read the sentence:
"Some students struggle to keep up, so the teacher needs to break the task down into smaller steps."
What is the closest meaning of the phrasal verb "break down" in this context?
Ⓐ To destroy the task completely.
Ⓑ To analyze the task superficially.
Ⓒ To refuse the task as inappropriate.
Ⓓ To divide the task into parts.
Ⓔ To simplify the task by removing its purpose.