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".

Two woman and man start scraping a dirt away from a tree. Mulch is poured around the tree. then mulch <sep> (A) is placed in buckets to dry. (B) is taken to a container and garbing with a rake. (C) is inserted into the tree. (D) is then spread evenly around the tree.
D