Instructions: 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: First, the man cut the uneven part on the top of the tub, and then test a rubber base. after <sep> (A) , the man puts suction cups to be reinvigorated with lemon juice. (B) , the man takes off old hard glue on the rubber base, and then puts new sealant around the rubber base. (C) that he spread a whole canister of mayonnaise on the rim of the tub and spread it. (D) , a man water ski using the hands and continue doing crunches on the tap.
Output:
B