Answer:
A.measurable
Step-by-step explanation:
Smart is an acronym Specific, Measurable, Achievable,
Realistic and Timely. These are attributes that guide how goals or objectives should be set.
The question of " how" is answered by the attribute 'measurable.'
In this criterion, measurable describes the specific criteria to be used and the ways of measuring progress toward accomplishing the goal. The path to achieving the objective must be meaningful and motivating.