Which sentence is punctuated correctly?
A.
The dates of the meetings are: June 1-7; July 4-10; and August 21-27.
B.
Jamie has studied these languages: French; Latin; Urdu; and Portuguese.
C.
Dutchess County; New York, Windham County; Connecticut, and Louisa County; Virginia are all rural.
D.
On her Mediterranean cruise, Mamie visited Barcelona, Spain; Nice, France; and Pisa, Italy.