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 make a pintoid camera [title] Get tin can from a local store or just recycle any tin casing. [title] Using a pencil mark the center of the tin can. [title] Drill a hole approximately 1/4 "/6.35 mm into the nutrition information area of the tin. <sep> (A) [title] Put the tin can in a heavy bag. [title] Test the camera on a flat surface, such as a table and see if it works. (B) [title] Firmly screw three pieces of tin together. [title] Place the 2 holes opposite each other in the centre of the tin will be a keychain. (C) [title] Punch holes in the lens [substeps] Make sure it's centered. Poke holes at the far left side and at the end of the lens where the aperture used to be. (D) [title] File away any sharp edges and sand the inside of the tin. [title] Spray paint the inside of the tin flat black.
A:
D