This article is from the X-Men Comic Books FAQ, by Kate the Short (racmx@yahoo.com) with numerous contributions by others.
No, she wasn't, and it says so right in the captions in the same issue
(UXM #236) it supposedly happened in. Check the series of captions
during the slow close-up to Rogue's cell. The guards slapped her around
some and made fun of her, but nothing along the lines of actual rape
happened:
All they did was touch her.
Rude hands, ruder glances--taunting promises of worse to come.
She couldn't stop them.
For so long, she dreamed of being able to touch another person,
without her power absorbing his/her psyche.
To hold, to caress, to kiss, just like any other-- normal--
teenage girl.
In those dreams, it was the most beautiful of moments.
She never imagined being handled against her will.
Note also that Rogue's Carol personality, as an "eyewitness," says in
UXM #244 that "Nothing happened. But that wasn't the point."
 
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