It depends on your teacher, it should be A. It could be B if that’s what your teacher wants but I would go with A.
There is less diversity hope this helps
I would say Diandra, because she provides the most in depth description!
The nurse should respond BY APPLYING GENTLE PERINEAL PRESSURE.
Application of gentle perineal pressure will prevent the excessive rapid expulsion of the foetus head which can cause perineal laceration in the mother.