Which of the Following Would Provide the Best Thesis Statement

Which of the following would provide the best thesis statement for the article on Justice Kennedy on page 289?

A) Kennedy is a strong supporter of liberal opinions as a Supreme Court justice.
B) The power of a Supreme Court justice may be enhanced if that justice is a swing voter.
C) Reagan appointments to the Supreme Court were overwhelmingly Republican.
D) Justice Kennedy has manipulated the Supreme Court process to achieve a liberal agenda.
E) Justices with clear agendas may be the most powerful on the Supreme Court.