A. is singing
B. has sung
C. was being sung
D. is being sung
Sentence is in present continuous tense with passive voice.
Rule :
Subject + is/am/are + being + V3 + other agents.
Listen, a nice song is being sung.
A. is singing
B. has sung
C. was being sung
D. is being sung
Sentence is in present continuous tense with passive voice.
Rule :
Subject + is/am/are + being + V3 + other agents.
Listen, a nice song is being sung.