Given these classes, how can you ensure that a method process() defined in multiple parents is called exactly once in the correct order?

Given these classes, how can you ensure that a method process() defined in multiple parents is called exactly once in the correct order?

class A:
    def process(self):
        print('A')

class B(A):
    def process(self):
        print('B')
        super().process()

class C(A):
    def process(self):
        print('C')
        super().process()

class D(B, C):
    def process(self):
        print('D')
        # What to call here?