Multi-choice problem: Continue writing the next sentence in this paragraph:

How to power garden 
Get out your barrow or cart and three buckets. 
Place the buckets into the barrow or cart in readiness for the next steps. 
Leave bucket one empty.

Available options: A. This full bucket will lead you to the next step. The bucket is where the water comes from when harvesting.; B. Load the remaining buckets (except for the eyedropper) into the cart and add the eight muslin sacs to its holder. Place these leads into the wheelbarrow.; C. Line bucket two with a plastic bag. In bucket three, place your gardening gloves, twine, garden tools in readiness for gardening.; D. Empty bucket two is essential for this part and will allow the roots to get left alone. Put the last bucket of water, bag of most flower rows, sawdust, dirt and poured sugar at the bottom of bed of garden.;
C.