Marta's Friends Have Asked Her to Go on the New

Multiple Choice

Marta's friends have asked her to go on the new roller coaster at the amusement park.Marta says,"Sure,I'd like to go on the ride," while at the same time she is slowly shaking her head from side to side.Marta's contradictory "head shaking" to her friends' invitation reveals her true feelings and is referred to as a(n)

A) illustrator.
B) emblem.
C) indicator.
D) attribution.