Which sentence is punctuated correctly?

a.
on her mediterranean cruise, mamie visited barcelona, spain; nice, france; and pisa, italy.

b.
the dates of the meetings are: june 1-7; july 4-10; and august 21-27.

c.
jamie has studied these languages: french; latin; urdu; and portuguese.

d.
dutchess county; new york, windham county; connecticut, and louisa county; virginia are all rural.

the penalty for defying creon's decree is death, as can be seen in the tragedy. if you do obey him however, all is forgiven

explanation

old disney was more kid oriented as appose to new disney it's more teen oriented.i guess what i'm trying to say is new disney is way more mature and out there then old disney. for instance all you see in new disney is bf/gf drama and old disney it was nothing like that. kids are growing up and as coorpations like disney, nickolden etc they tend to follow what kids follow so they can have more views . therefore   they have inferred   that now days kids want to have relationships and stuff so that's what disney gives them.