<p>Originally built as a church, (later converted to a mosque, and) now used as a museum, Hagia Sophia, in Istanbul, Turkey, is one of the greatest surviving examples of Byzantine architecture. </p>
<p>A: As is
B: later converted to a mosque and is
c: was later converted to a mosque, and
D: was later converted to a mosque and is
E: it was later converted to a mosque and is</p>
<p>I put B
Answer is A</p>