Choose the sentence with the correct punctuation.

a.on my trip to europe, i went to paris, france; rome, italy; and vienna, austria.

b.on my trip to europe, i went to paris, france: rome, italy: and vienna, austria.

c.on my trip to europe i went to paris france rome italy and vienna austria.

d.on my trip to europe, i went to paris france; rome italy; and vienna austria.