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.