This is called word analysis.
When you are trying to figure out what a particular word means, you are obviously going to analyze it. Maybe you know what its root means, or you can deduce the meaning based on its prefixes and suffixes. You will probably take into consideration the context and neighboring words in the sentence as well in order to analyze it.
D their antonmys because they mean the opposite
I would say A because it's like telling you what she is doing and she is thinking about what he has done to her like kind of reflection of past events.
D. Yours.
generally when writing a letter you put:
Yours truly,
(your name here)
which means that yours would be capitalized