A.Class A.__module__ == ' main__'

B.len (ClassB.__bases__) == 2

C.str (Object) = 'Object1

D.__name__== '__main__'

A.if a real-life object can be described with a set of adjectives, they may reflect a Python object method

B.each object of the same class can have a different set of methods

C.the same class can be used many times to build a number of objects

D.a subclass is usually more specialized than its superclass

A.s.split ("~")

B.s.split ()

C.split (s, "~")

D.split (s)

A.len(Object.__diet__) == 1

B.'prop' in Class.__diet

C.'var' in Object.__diet__

D.'var1 in Class, diet

A.2

B.0

C.-1

D.an errno value corresponding to file not found