Final answer:
Top steps or caps of stepladders should never be used as a step due to safety concerns, as they are not designed to support a person's weight.
Step-by-step explanation:
The caps or top steps of stepladders are not designed to be stood on. According to safety guidelines, these parts of stepladders are not meant to bear weight as they are often not strong enough and could lead to accidents due to instability or ladder collapse. The correct answer to whether top steps or caps of stepladders can be used as a step is B) No, never. It is important to always use equipment as intended by the manufacturer and adhere to safety protocols to prevent injuries.