Mary creates a t-shirt design that expresses her support for a presidential candidate and distributes t-shirts imprinted with the design to her friends. the t-shirts represent

a) symbolic speech.
b) controlled speech.
c) illegal speech.
d) unprotected speech.

a) symbolic speech.

Explanation:

The t-shirt design created by Mary has got prints expressing her support for a presidential candidate.The prints might be names or the photo of the candidate.This are symbols of the candidate, since, when, the friends or someone else sees this photo or mark, they relate it with the candidate.Hence, she shall have communicated symbolically to the people.