A: Yes, she can. Once you file a form I-130, your spouse is eligible to apply for a nonimmigrant K-3 Visa. This will entitle her to come to the U.S. to live and work while the visa petition is pending.
However, it is not necessary for your wife to obtain a K-3 visa in order to come to the U.S. to live and work. Your wife may wait abroad for immigrant visa processing. Seeking a K-3 visa can be a method for her to come the U.S. more quickly.
http://www.greencardfamily.com/question/question2008/question2008_0430.htm