Which sentence is punctuated correctly?

A.
On their vacation trip to Europe, the Richardsons visited Vienna, Austria; Munich, Germany; and Warsaw, Poland.

B.
My father has studied these languages: Russian; German; and Arabic.

C.
The dates of the big conventions are May 18-20; July 13-15; and August 17-19.

D.
James City County; Virginia, St. Mary's County; Maryland, and York County; Maine are some of the oldest counties in the United States.

Question

Which sentence is punctuated correctly?	
 
 A.
On their vacation trip to Europe, the Richardsons visited Vienna, Austria; Munich, Germany; and Warsaw, Poland.
 
 B.
My father has studied these languages: Russian; German; and Arabic.
 
 C.
The dates of the big conventions are May 18-20; July 13-15; and August 17-19.
 
 D.
James City County; Virginia, St. Mary's County; Maryland, and York County; Maine are some of the oldest counties in the United States.

anonymous · Answer

theres only 4 more questing after this

blank · Answer

A. On their vacation trip to Europe, the Richardsons visited Vienna, Austria; Munich, Germany; and Warsaw, Poland.