Queen Elizabeth’s purpose in this passage is to rally her troops up and ready them for war, and convince them that she is fit to lead them even though she is a woman and she will fight alongside them to prove it.
This sentence means a character had decided upon a certain action for a problem in their head. however other characters (the peers in this example) bestowed an act of kindness or "did something nice" for this other characters in hopes that he/she would change their mind. A good example would be if you upset your parent by acting up and they said no to a sleepover. you would do chores or act kindly towards them in order to try to get them to change their mind and say yes.
If you're limiting the question to C or D, I would choose D.
In C, "her" is used as part of the subject, not an object.
