Marco wants to get an a on his exam. to do this, he divides up the material into small sections and focuses on learning a different section every day until he knows all of the material for the exam. marco is to achieve his goal of getting an a on his exam.

Using sub-goals

Explanation:

 According to the given question, the Macro is using the sub-goals for achieving his specific goals for getting grade A on exams.

The main objective of the setting the goals is that someone of clear about their destination and they can easily analyze their progress and performance towards their goals.

 The sub-goals is basically refers to the step by step learning process for achieving the goals by focusing in the specific sections of learning and divide each sections into the different sections so that it become more easily to understand.

 Therefore, Using sub-goals is the correct answer.

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