Which of the Following Factors Has Adolescent Expert Jacquelynne Eccles

Which of the following factors has adolescent expert Jacquelynne Eccles identified as a problem for adolescents entering middle school or junior high school?

A) Teachers become more lax at the same time that young adolescents need more structure.
B) Teachers become more like surrogate parents when young adolescents need less warmth and adult interest.
C) A decreased emphasis on grades makes things less stressful.
D) Teachers become more controlling at a time when young adolescents are seeking more autonomy.