Select the line from the excerpt that shows a remorseful (sorry) tone?
mom gave me a long hug, and i noticed how thin her arms had gotten, how saggy the skin on her neck was. i always thought of my mother as young, pale, rosy-cheeked and cheerful, peering shrewdly through her metal-rim glasses. now she looked a little like an old woman. i had done that to her. the terrorists had done that to her. the department of homeland security had done that to her.
a) mom gave me a long hug …
b) i noticed how thin her arms had gotten …
c) i had done that to her.
d) the terrorists had done that to her.