Gwendolen: in matters of grave importance, style, not sincerity is the vital thing.

The Importance of Being Earnest: Advanced York Notes is a book written by Oscar Wilde.

It contains the broad exposure and the most in-depth analysis of Wilde's clever play of mistaken identities and is invaluable for any text student at the A level or undergraduate stage.

Explanation:

The above, is an abstract from Act III of the book. Gwendolyn's argument inverts the standard opinion that truth matters more than style; that which is compelling in this existence is the elegance of the words, never their reality.

Throughout this opinion, a family resemblance exists among Gwendolyn and her cousin Algy who had reflected on one of his own remarks in Act I, ' It is perfectly phrased! And it should be as real as any finding in civilized life ", cousins both believe in beauty above substance.

the answer is d. amendments.