Teacher: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". 
Teacher: Now, understand the problem? Solve this instance: [header] How to play blu ray menu on mac with mac blu ray player [title] Download mac blu-ray menu player and install it. [step] There will be a watermark on your screen if you play the blu-ray with the trial version. [title] Run mac blu-ray menu player [title] Open " preferences " under " mac blu-rayplayer " [title] Click on the " blu-ray " option. <sep> (A) [step] It's in the menu bar. There's a " show preferences " dialog box. (B) [title] Look to the left of your screen for the other blu-ray player option. [title] Go " customize make and model " under " image. (C) [step] There are two play modes you can choose. Simply switch it to blu-ray menu mode and click " ok ". (D) [title] Click on " change system " button to create an account, select any preferences you want, then click " continue " under " account settings. [step] " [title] The account settings window will appear.
Student:
C