Write the next sentence in the following story.

How to replace a toilet flange
Place newspapers or towels on the ground adjacent to the bathroom.
You will place the toilet on these after you disconnect it from the flange.
Turn off the water supply to the toilet.

Pick from:
[a]. Disconnect the water supply hose. Flush the toilet until it is empty.
[b]. Situate the lid onto the toilet. Conceal the screw securing the lid to the bowl with a piece of masking tape.
[c]. To prevent any water from leaking into the toilet floor, shut off all water supply for the toilet bowl. If this is your first time using the toilet but you still haven't located the location of a leak, refer to the owner's manual for directions.
[d]. This will stop the urine from splashing or dribbling on the ground. Turn the phone off again before exiting the cabinet.. The answer should be
[a].