Choose the sentence in which the adverb clause is punctuated correctly.
A. I won't go to the fair, unless you promise me, a ride on the Ferris wheel.
B. I won't go to the fair, unless you promise me a ride on the Ferris wheel.
C. I won't go to the fair unless you promise me a ride on the Ferris wheel.
D. I won't go, to the fair, unless you promise me a ride on the Ferris wheel.