Bunuel wrote:
Since 1997, when Washington D.C.'s NBA franchise retired its "Bullets" moniker as a way to distance itself from a large increase in gun violence in the city, the team was known as the "Wizards."
A. was
B. is
C. is being
D. has been
E. is now
Analysis : Here the sentence intends to say : at 1997 team X abandoned its name as A. Since then they are known as B till now.Here we have the marker word 'Since which actually warrants the use of the present perfect verb form ( has been)
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