You will be given a definition of a task first, then some input of the task.
In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

A leaf blower is shown blowing a large pile of leaves across a green lawn in front of residential houses. the leaves <sep> (A) fly up in the air but stick largely together as the the leaf blower wipes the ground clean of brown leaves and starts to form piles on the lawn. (B) blow in several different ways and all different colors on all at the same time. (C) get moved over by a hand driving that continues to blow leaves. (D) turn yellow, and smoke begins to blow from the mouth of the blower.
Output:
A