Below, a statement has been divided into 5 parts. The one in bold is the fixed part, to which no changes can be made. Among the other parts (A), (B), (C) and (D), find the error-free part(s), and mark them as your answer. If there are no errors, then mark option (5), viz, No Error, as your answer.

Not only do the estates guarantee the (A) / general welfare and public freedom, / but they are also the means by (B) / which the state at a whole enters the (C) / subjective consciousness of the people.(D)