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". 

There's an artist painting a square canvas board with several acrylic colors using a flat brush in a studio. she <sep> (A) is painting a christmas tree with a piece of acrylic text. (B) moves the brush across the screen several times. (C) shows how to cut the paint with the flat brush when time stops. (D) begins by painting blue strokes with the flat brush on the canvas surface.
D

[header] How to make eyeliner wings even [title] Cut off two small pieces of tape. [step] You can use household scotch tape, or you can use surgical tape if your skin is a bit more sensitive. You will need one small piece for each eye. <sep> (A) You can always use 24 to 48 segments of duct tape if you want to make more liner. [substeps] Keep in mind that your wings might start to go out of style once the tape has dried. (B) [title] Use your tweezers to prick each eye in the " c " shape using the scratch tool. [step] Each eye needs to be in roughly the same shape, preferably with parts without movement. (C) [title] Make two smaller butterfly-shaped lines with the tape : [step] You can make a smaller butterfly-shaped wing by cutting it in half. Before you brush it over your face, wind it around your nostrils to make one side longer. (D) Fold one corner of the tape down, so that it creates a little flap that will make it easier to peel the tape off of your skin. [title] Place the tape on the corners of your eyes.
D

[header] How to use zipcars [title] Make sure you're eligible. [step] In order to join zipcar, you first need to meet all the eligibility requirements. To be zipcar eligible, you need to be 21 years or older, have a valid driver's license and accept zipcar's terms and conditions. <sep> (A) To qualify, you must be at least 21 years old. However, some cities (like new york and chicago) and central and south dakota allow you to do so, too. (B) Make sure you pass these requirements in order to be eligible for zipcar. [substeps] In the united states, you must be at least 21 years old and have a valid government-issued driver's license. (C) [substeps] If you are 18-20 years old and a student at a college or university, you are also eligible to join zipcar. If you do not have a us or ontario based driver's license, you must complete a " declarations form. (D) Each state has a specific requirements regarding the zipcar registration process, and these requirements vary from state to state. For example, in idaho, you must be 21 years or older.

C