You will be given a definition of a task first, then some input of the task.
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 put music on the galaxy s4 [title] Connect your samsung galaxy s4 to your windows computer using a usb cable. [title] Wait for your windows computer to recognize your device. [title] Click on " open device to view files using windows explorer " when the option displays on-screen. <sep> (A) [title] Right-click the option labelled " device manager " and select " music " from the drop-down list. [title] Select the music option of your task manager. (B) [title] Navigate to the music files on your windows computer that you want copied to your galaxy s4. [title] Drag and drop the music files you want transferred to the galaxy s4 icon displayed in the left pane of windows explorer. (C) [title] Select your galaxy s4 version of windows explorer and click on " save. [step] " your samsung galaxy s4 should now be using the version 7 os which supports o2. (D) [step] Windows explorer will then accept and install the application. [title] Go to the command prompt in your system panel and verify that " c : [step] Will this work? [title] Visit the options panel.
Output:
B