Stephanie Knows She Can Say "Oh My Gosh" and "BFF

Multiple Choice

Stephanie knows she can say "oh my gosh" and "BFF" when talking with her friends, but won't use phrases like these when speaking to her professor. When she talks to him, she tends to use more formal language. Stephanie is demonstrating the concept of _____.

A) code switching
B) abstract language
C) concrete language
D) polarization