The city museum's new exhibit on public transit is notable for showcasing artifacts ______ tracing the political debates that shaped the system; and inviting visitors to record their own commuting stories.
Which choice completes the text so that it conforms to the conventions of Standard English?
A
such as punch cards, station signs, and hand-drawn route maps,
B
such as punch cards, station signs, and hand-drawn route maps;
C
such as punch cards; station signs, and hand-drawn route maps,
D
such as punch cards station signs, and hand-drawn route maps,
I’m stuck between a and b