17 The specification of a patent works closely the claims in the cases of patent prosecution or patent infringement.Which of the following statements about the patent specification is true?
(A)The specification serves the boundary of patent rights to secure the patentee’s interest under patent law.
(B)The specification is irrelevant to the evaluation of enablement about a patent.
(C)The specification always functions with the claims but can’t be unlimitedly imported to claim construction to narrow the interpretation of a claim.
(D)The specification may be considered extrinsic evidence for the purpose of claim construction.