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".

A "total immersion swimming" logo and "total immersion freestyle demo by shinji takeuchi" appear on screen. Takeuchi swims the length of an indoor pool. the video <sep> (A) ends with the subscribe's logo visible in a dark room. (B) then cuts to a man surfing under the water repeatedly. (C) ends with several captions visible in between. (D) changes to an underwater view of the takeuchi swimming.
D