A. is sung
B. is singing
C. was sung
D. is being sung
Sentence is in present continuous tense in passive voice.
Rule :
Subject + is/am/are + being + V3 + other agents.
A. is sung
B. is singing
C. was sung
D. is being sung
Sentence is in present continuous tense in passive voice.
Rule :
Subject + is/am/are + being + V3 + other agents.