Passive voice of- 'Didn't she know anything about the Sunderbans?'

উত্তর জানতে একটি অপশন বেছে নাও 👇

• কWas nothing about the Sunderbans known to her?
• খWas anything about the Sunderbans know by her?
• গWere she not known anything about the Sundarbans?
• ঘWas the Sunderbans known by her?