Like Most People of Her Generation, Martha Has Used Cell

Multiple Choice

Like most people of her generation, Martha has used cell phones for years. But she never gave much thought to the details of the technology. Now that she has graduated from college and is about to join the workforce, she's trying to determine what kind of cellular technology will be most useful to her.
-Martha is a big fan of text-messaging. While usually she's used it for personal messages, she can see many advantages for text messaging in the workplace. She learns that it became available when SMS was introduced in ____ wireless networks.

A) 1G
B) 2G
C) 2.5G
D) 3G