When I went there (1)/ Charles is playing (2) / a game of chess.(3) / No error (4)

Options

A. 1 When I went there
B. 2 Charles is playing
C. 3 a game of chess.
D. 4 No error

Answer

B

Explanation

was will replace is because -
the sentence indicates a Past event and so, Past Continuous will be used. Hence, Charles was playing is the right usage