I'm going to say that the personal tone is the sentence under answer choice: C. Hope that helps.
I think there should probably be choices to choose from, but I think I know which question this comes from:
Kat's grades were so good that she was already envisioning herself as class valedictorian.
Also, if it is the question I am thinking of the choices are:
envisioning
envisioned
visioning
revisioning
Hope this helps ;)
hey i just did this (Greed can be the undoing of a person, leading him or her to ruin)
Because it is away from civilization and no one lives close to the mountain