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 D, mood refers to how the audience feels.
Answer:
To be a good person means a lot to you and others around you. A good person can be reliable, trusted, honest and truthful.
In that case the first person is right, because is you lie to spare others feelings you may still hurt or disturb others feelings. In other words, others may not trust in you anymore and can term you as a bad person, and this may disturb your own feeling.