Identify the option containing a sentence fragment.
A. ​You're bringing the sandwiches.​ I'll bring the soda.
B. Since​ you're bringing the​ sandwiches, I'll bring the soda.
C. Since​ you're bringing the sandwiches.​ I'll bring the soda.
D. ​You're bringing the​ sandwiches, and​ I'll bring the soda.