Which of the Following Is True in Case of Inspections

Which of the following is true in case of inspections?

A) Where a business is closely regulated,surprise inspections are a norm,and a warrant is required.
B) In Marshall v.Barlow's,Inc.,the court held that private individuals cannot refuse police demands to search the premises unless a court has issued a search warrant
C) OSHA does not specify whether inspectors are required to obtain search warrants which are required under the Fourth Amendment in criminal cases.
D) In the case of the Dow Chemical facility being inspected by the EPA,the Supreme Court ruled that the areas photographed by the EPA were open areas and hence subject to the protections of the Fourth Amendment.
E) Agents of the Secretary of Labor are allowed to search the work area of any employment facility within OSHA's jurisdiction but a search warrant is expressly required under the Act to do so.