C. A student wearing all black to call attention to a political issue
Explanation:
The options for this question are:
A. A candidate speaking at a town hall meeting
B. A demonstrator chanting anti-corporate slogans outside a company's headquarters
C. A student wearing all black to call attention to a political issue
D. An author giving a lecture that criticizes the current president
The difference between speech and speech-plus is that speech is delivered using words, whereas speech-plus is delivered by communicative actions. So, a student wearing all black to call attention to a political issue can be considered as speech-plus form of political expression.
