The law gives the consumer what protection from aggressivetactics of door-to-doo

The law gives the consumer what protection from aggressivetactics of door-to-door salespersons? A. The customer may rescindthe transaction within 3 days. B. The customer may send the productback for a refund within 30 days. C. The customer may file a policereport. D. The customer may keep the product without paying forit.