63.
A:
A has commited the offence of wrongful confinement as he arrested C instead of B
B:
A has commited the offence of wrongful confinement as ge was negligent in arresting C
C:
He has commited no offence because he arrested C in good faith believing himself to be bound by law to do so
D:
A has committed an offence of Defamation of C
The answer is: C