English » Active/Passive Voice
Select the option that expresses the given sentence in passive voice.
He opened the door for his mother.
The door had been opened by him for his mother.
The door is opened by him for his mother.
The door was open by him for his mother.
The door was opened by him for his mother.
the correct rule of making passive of past tense is as below
active- subject+ v2+ object
passive- object+ was/were+ v3+ by + subject
so according to the rule
correct passive form of the given sentence will be,
the door was opened by him for his mother.
so option D is the right answer