So Im interviewing with a corp. firm (legal dept.). Interview didnt go so well and I thought I was no longer going to be considered but, I received an email from one of the individuals I interviewed with and she requested to see a copy of my senior thesis. We spoke about it briefly during the interview but I could barely remember the details (it was half a decade ago!). Anyway, point is, this firm has a copy of my writing sample (my MA thesis) and I dont care to share my sub-par undergrad Sr. thesis for the following reasons:
1) It's quite private. Views/conclusion I made back then I no longer ascribe to
2) It's poorly written - Im in the final interview stage, this paper wld either make it or break it for me -- It's pretty bad, so it'd likely do the latter
3) I dont have time to revise it - it's FINALS

Im adamant on not sending it. I just reviewed it and boy, is it bad. I cannot allow this paper to be used against me. It will not help.
Advise please. Is there any chance I can get out of sending it and still be considered for the position?
THanks!