Which sentence is punctuated correctly? (1 point)

A-"That dog is the Jones," my neighbor said.
B-"Those backpacks are my sisters," Callie said.
C-"Put your science projects next to the seventh graders'," he instructed.
D-"Please hand out the worksheets to the students'," the teacher told me.

B-"Those backpacks are my sisters," Callie said.