When capacitor is fully charged, find current drawn from the cell.

Correct option is C. 3 mA
When the capacitor C is fully charged, then it becomes open.
Hence Equivalent resistance , R = (2+1)kΩ = 3kΩ
Hence Current drawn form the cell , I = V/R = 9/(3×10³) = 3×10⁻³ = 3mA