Which of the following best describes the term scope $?$ ?creep?

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Part $1$

A $.$

a method of assessing the resource requirements for a project

B $.$

the process through which a $?$ ?project's goals can be achieved much ahead of the deadline

C $.$

the way in which project features are added in an uncontrolled way

D $.$

a method of keeping track of a $?$ ?project's progress unobtrusively