It's definitely C because of him calling his ex, trying to give her another chance
"A fidus achates" translates into "a faithful friend or companion" so you could uses it in a sentence as
<span>
She layed all her snares for Dr Lewis, who is the</span><span>fidus achates </span><span>of my <span>uncle.</span></span>
Hello!
By definition, respite means "an interval of rest or relief" (Merriam-Webster).
In other words, the term is used to describe a rest or a break during a difficult situation.
I hope this helps you! Have a great day!
- Mal
Citations:
"Respite." Merriam-Webster Dictionary. Web. March 30, 2018.