Which of the Following Statements Does NOT Apply to Offshore

Which of the following statements does NOT apply to offshore extraction of manganese nodules from the ocean floor?

A) Dredging manganese nodules from the ocean floor would adversely affect sea life.
B) The current market value for manganese wouldn't cover the expense of obtaining them from the seafloor using existing technology.
C) It isn't clear which countries have legal rights to minerals like manganese nodules when they are in international waters.
D) No exceptions, all of the above apply to the extraction of manganese nodules from the seafloor.