Task: Text Completion
Input (English): The man adjusts a and talks off the front tire, and folds the bike in half on itself. the man <sep> (A) takes an oil rag and rubs it over the tire several times, then he fills in the final screws. (B) fastens the tire, taking the jack out of the case before using the wheel. (C) unfolds the bike and puts the tire back on. (D) takes off the jack from the tire.
Output (English): C