Which sweeping custom, first codified in London in 1530 and still observed in parts of Yorkshire, requires householders to sweep the pavement outside their property on a set day?

• A Spring cleaning
• B Whit walks
• C Rogation day
• D Scouring day ✓

Scouring day was historically a communal street-cleaning obligation enforced by manorial courts; in some northern towns it persisted into the twentieth century as a neighbourhood ritual.