Do they sell construction material?
A. Does construction material sold by them?
B. Is construction material selling by them?
C. Is construction material sold by them?
D. Does construction material sell by them?
Answer: Option C
Solution (By Examveda Team)
Is construction material sold by them?Given sentence is in simple present tense and it is in active voice.
Rule :
(Is/am/are) + Subject + V3 + Other agents

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