Mr. Laser Beam wrote:
if she really didn't care for Spock, how many other options did she have?
This is an arranged marriage we're talking about. Where does "care" enter into it? They have no choice.
For one thing it may have been arranged, but that doesn't mean they had never set eyes on each other. Spock in fact makes it clear that they had met since he talks about a ceremony where they touch each other (some sort of partial mind meld, I've always thought) so that they will supposedly be drawn to marriage at the same time. For all we know, they might have known each other since they were kids. Even here on Earth not all arranged marriages involve two strangers.
But what I really meant was that she didn't care to marry Spock, and that is pretty obviously the case.