Write the next sentence in the following story.

How to clean a composite deck
Sweep away debris at least once per week.
Keep your deck clear of dirt and debris with frequent sweeping. Depending on how much traffic your deck gets and what the current season is, you may want to sweep once a day, or every few days.

OPTIONS:
(a). You can also sweep on cloudy days to target scuffs. Purchase grass hardwood for greater clean up and keeping humidity under control.
(b). Sweep up large, scattered debris on the bottom of the deck in the same way you clean your home or work area. Sweep loosely, with your finger and sweeping pad (if the deck has one).
(c). Avoid using a broom when you sweep, as this is the most frequently used broom. Sweep when it rains, though, or every few days.
(d). At minimum, sweep it once per week. If you have a very large deck, a leaf blower may be ideal.. The answer should be
(d).