Detailed Instructions: 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".
Q: [header] How to clean artificial grass [title] Use a leaf blower to get rid of debris. [step] Whether it be fallen leaves in autumn, fallen branches after a storm or some other accumulation of debris, a leaf blower can help you swiftly clear your turf. Designate one corner of your yard and blow all debris towards it. <sep> (A) After 30 to 60 seconds, remove it, douse your lawn with water, or sprinkle some thin-hold sawdust over it to help speed up the process. [substeps] If you have wet grass, expect a thick layer of droppings or grass clippings on the ground. (B) This will allow you to easily thoroughly clean your turf in no time. Keep the leaf blower on for a minimum of 10 minutes. (C) Take out a broom to clean off the bits of debris. [substeps] Make sure you use the tools described in method one. (D) Once all debris is grouped, you can collect it for removal. You should only have to pass over the turf once to completely clear it of larger debris.
A:
D