The Fra Mauro map is a mappa mundi from the fifteenth century. Currently held at the Museo Correr in Venice, Italy, it is one of over 1,000 such world maps from the European Middle Ages still remaining, with the even older Hereford map from the fourteenth century (now held at Hereford Cathedral in Hereford, England) __________ another one.
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Verbal·Standard English Conventions·Form, Structure, and Sense
hardWhich choice completes the text so that it conforms to the conventions of Standard English?
A
being
B
was
C
is
D
has been