The appreciation shone in the woman's eyes as I helped her across the street.
As I see the author uses B:indirect characterization in the excerpt due to the definition of that technique.
The answer is: A, B and D. Soliloquy comes from Latin <em>solo</em> ( to himself) and <em>loquor</em> (I speak). And it is a literary device used in a drama with the purpose to <em>reveal the thoughts of a character</em> while <em>he talks to himself</em>, without perceiving the presence of another person. It is like thinking outloud, which helps the audience to know what is happening <em> inside the character.</em>