Hummmm 
You’re in the post 911 World! Since that date a multitude of lists have been created! I'll go out on a limb and say that China is probably on at least one of those lists! You've probably already heard the number one question, "WHY"? If you were involuntarily relocated, (Parents moved there, military assignment, government assignment, etc.), that's a distracter. If you went their voluntarily to submerge yourself in the culture, (A Communist Culture), that would probably be considered an agenda!
You probably would have been better off spending your time in China…………………..Town, New York!
Just an opinion...RG… 
RG,
I appreciate the quick reply.
I personally chose to come to China on my own. I started college a bit early because I graduated high school at 16.I completed two years of college then, I took a little break for personal reasons and decided to come here for a little bit.
The irritating thing is, I talked to one of my recruiters and he said it was no problem. I just recently (as I prepare to return to the United States) was told it could be an issue. This came from the mouth of a family friend, and also another recruiter. I didn't figure China would be much of a security threat. I guess I was foolish and didn't think about the way the West views communism. I basically figured as long as I wasn't in the Middle East, it wouldn't be an issue. I should have asked more than one person I suppose.
I've got another question for you guys. If I decided to go back to school (to get nuke qualified), do you think the time I spent in China would still be an issue? I'm not sure how strict the security clearance is for the civilian nuclear workers, but I imagine any nuclear job (military/civilian) must have high security. I wonder if this is something (government/non government) nuclear companies worry about when hiring employees. I've always been a proud American, and even though I've done nothing wrong here, I suppose this could look bad.
Also... Believe me RG.. I'm kicking myself right now.
Thanks for the replies everyone. I appreciate it.