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".
Q: A man puts water in a pot to boil. Then, the man adds penne pasta and salt to cook. after <sep> (A) , the man drains the penne pasta and put it in a pot. (B) , the man pours the pasta in the pot without showing who installation the pasta in the pot. (C) , the chef shows how to butter omelet. (D) , the woman puts flour in a strainer and drink the boiling water, all the while talking to the camera.
A:
A