Have You Ever Tried to Think of the Words and Hum

Multiple Choice

Have you ever tried to think of the words and hum the melody of one song while the radio is playing a different song? People have often noted that this is very difficult to do. This difficulty can be understood as

A) articulatory suppression.
B) an overload of sensory memory.
C) rehearsal interference.
D) an LTM recency effect.