It can be inferred from Paragraph Five that______.A．the ESFI inspects household electrical

It can be inferred from Paragraph Five that______.

A．the ESFI inspects household electrical system annually

B．electrical devices for outdoor use are not expensive

C．homeowners do not have the particular electrical knowledge

D．an overloaded electrical system or faulty wiring may lead to disasters

请帮忙给出正确答案和分析，谢谢！