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 man is talking to the camera. he <sep> (A) is holding a tuber and cutting it with a ruler. (B) then demonstrates how to mold parchment paper into a frame. (C) is wearing a pair of black glasses. (D) is shown on a boat, paddling.
C