Definition: 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".
Input: A girl presses a full lemon on a machine into a cup. The workers add sugar and water before shaking the cup. a straw <sep> (A) skims over a woman's shoulder. (B) is tilted into the cup and the girl dips a sip into the cup. (C) is added and the lemonade is placed on the counter. (D) is held across the machine.
Output:
C