(D) The switch is open , which implies that no current flows in the circuit. (ANS)
Bent wires are of no problem unless the wires get cut which is not the case.
The circuit is closed, will actually help the bulb light up.
Much power depends on the bulb power rating which I am sure the examiner did not put in mind ( actually higher power = more light ) however, after the power given exceeds the power rating the bulb will burn out.