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 make homemade hormone rooting powder or tonic [title] Use cinnamon. [step] Cinnamon prevents the growth of fungus. While it acts less as a rooting hormone, the fact that it curbs the fungal growth means that the plants have a great chance to grow without needing any additional help. <sep> (A) [substeps] Consider adding cinnamon powder to your herbal tonic each day by mixing small cinnamon cubes with water and using them for a week. [title] Try using flakes of dried marigolds. (B) [title] Try a silicon tablet or cacao tablet. [step] They can last up to a week, but commercially available forms are fast-acting. (C) [title] Dip or roll the cutting in ground cinnamon. [substeps] If dipping, tip some cinnamon into a cup and simply dip the cut stem end into the cinnamon. (D) Make sure that you use cinnamon in conjunction with regular root growth products, as cinnamon provides an excellent additive that can help regulate the risk of fungal infections. [substeps] Make sure that you use cinnamon on plants that are not affected by herbaceous or fungal infections.
C

A woman is shown leaning against a wall. Several ballerinas are shown in a room. different techniques <sep> (A) are demonstrated by them. (B) are shown for performance. (C) are shown for ballroom dancing. (D) are shown to teach the groups how to dance.
A

[header] How to cover your legs in hot weather [title] Wear a long linen skirt or linen pants. [step] To keep your legs covered but cool in hot weather, invest in a long linen skirt or pants. This lightweight, breathable material also reflects heat better than other fabrics, leaving the skin cool and dry. <sep> (A) [title] Remove your outerwear for the day. [step] It is best to go in a warm, dry area where you will be likely to get sunny. (B) [substeps] Look for a pair of elegant high quality linen pants or a crew neck top. When choosing a skirt, try to find one that shows off your legs without covering them. (C) [substeps] You can also try a button-down shirt. It's warm outside, so a regular button down shirt may work well. (D) Opt for garments with a comfortable, loose fit to allow air to flow between the linen and your skin. [title] Imitate jeans with chambray pants.
D