Marriage was the only means for women to gain social mobility
If the underlined phrase is <em>having been warned by her mother, </em>then this is a nonessential perfect participial phrase.
Nonessential phrases are separated from the rest of the sentence by commas, and since this is a perfect participle, this is the only correct option.
The answer is
letter B.
<span>
The simple predicate in the sentence is the verb
finished. Finished is the action word that directly describes what the subject
is doing in the sentence. Simple predicates by definition are the main verbs in
the sentence that tells what the subject does. Time, game, and men are nouns in
the subject that give the predicate its sense or meaning.</span>
Your answer is false buddy you have to give credit to the origin.
