Dr. Ravitch will support the following policies EXCEPTA．having principals who have been ex

Dr. Ravitch will support the following policies EXCEPT

A．having principals who have been excellent teachers.

B．insisting on high qualifications for new teachers.

C．committing to building a better and stronger profession.

D．that students get a solid education only in tested subjects.

请帮忙给出正确答案和分析，谢谢！