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".

[header] How to clean up a stream [title] Choose a location. [step] You should pick a stream that is important to you or your local community and scout it out before hand. You should try to find a portion of stream that is safe and easily accessible by vehicle or foot. <sep> (A) You may try to find the water source close to your home or down through a nearby stream in your home. [substeps] Download a searchable database on your internet to find and address the water sources available in your area. (B) It should also be free of contaminants that could cause the stream to malfunction while it is set up. Check your local laws regarding the flow of local streams. (C) Keep in mind you will be hauling garbage away, it should be easy to get in and out. Try to start small, you don't want to pick somewhere that is too large to effectively clean. (D) You should also, try doing the following : [substeps] Check the temperature. Your stream should be between hot and cold.
C