Q: 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 take pictures on ipod touch [title] Open the camera app. [title] Slide the lower right corner bar to the camera icon. [step] By default, the camera is set to the photo mode. <sep> (A) Checking this setting causes multiple changes to the image. [substeps] Turning the camera off can cause another picture to be taken by the same camera app. (B) [title] Press/pause and select the camera you want to shoot from the " timeline " menu. [step] You can adjust the aperture settings (left and right) or take a screenshot from either option-whichever works best for you. (C) This mode is important if you plan to use your camera for photography purposes. [substeps] For example, if you need to take a photo of a family tree, " yay, there you have it " could be used. (D) [title] Tap the larger camera icon (on the bottom tab) to take a picture. [step] To view your photos, tap the small box in the lower left corner.
A:
D