Which sentence is punctuated correctly?
A. Ethan did not study hard for his test; consequently, he barely passed it.
B. The English teachers decided to eat barbecue likewise, the math teachers decided to as well.
C. Karen's parents told her that her bank account was empty therefore she couldn't buy a new pair of shoes.
D. The students claimed their electricity was off last night, nevertheless, the teacher gave the test to them.