Given the Following Sorites: No H Are C

Multiple Choice

Given the following sorites: No H are C.
All H are R.
All R are P.
Some E are not P.
Some E are not C.
This sorites is:

A) Invalid because it has two negative premises.
B) Invalid because a term is distributed in the conclusion but not in the premise.
C) Invalid because it has an affirmative premise and a negative conclusion.
D) Valid because no rules are broken.
E) Valid because a negative premise requires a negative conclusion.