The state of each data member should be considered when writing a class function because:

A. it will prevent one from overlooking data members one should have set or changed and so it will cut down on errors
B. each data member always needs to change somehow in each class function
C. if you don’t change the state of the data member yourself within the class function,
it may change inadvertently, especially when working with linked lists
D. when const is used at the end of a function heading, you need to change at least
one data member


A

Computer Science & Information Technology

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