Themes are dated: V. Woolf was a modernist writer who pioneered the use of <em>stream of consciousness </em>and her themes were unconventional, to say the least.
Her characters are wealthy: Even if it´s true this doesn´t keep readers from being open-minded.
Her dialogue is unrealistic: As she herself pointed out once: ¨<em>Dialogue is often preposterously unrealistic.¨</em>
Her settings are unfamiliar: The writer of this answer recalls the profound dificulty he had with the strange und onorthodox settings of <em>The W</em>aves
A wedding ring is a common symbol of love and commitment. It is a universal symbol of marriage. The other options are also symbolic, just of other things.