Rod's Science Teacher Has a List of Objectives That Must

Rod's science teacher has a list of objectives that must be met for the year,but they can be met by completing many different types of assignments.The teacher allows the students to select the projects that interest them,and the students set their own goals and make their own plans to reach them.According to research,Rod is likely to

A) have higher achievement gains in science.
B) pick the easiest assignments even if some of the more difficult ones interest him more.
C) do a poor job on his assignments because he picked them rather than the teacher.
D) None of these choices are correct.