17 According to the Agreement on Trade-Related Aspects of Intellectual Property Rights, which of thefollowing statements is correct?
(A) Patent protection should extend to expressions and not to ideas, procedures, or methods of operation as such.
(B) Members must exclude the following from patentability: diagnostic, therapeutic and surgical methods for the treatment of humans or animals.
(C) Members may exclude from patentability inventions, the prevention within their territory of the commercial exploitation of which is necessary to protect morality, provided that such exclusion is not made merely because the exploitation is prohibited by their law.
(D) The availability of patents and enjoyability of patent rights depend on the place of invention, the field of technology and whether products are imported or locally produced.