Which of the Following Best Describes the Tactics of the Empress

Which of the following best describes the tactics of the Empress Dowager Cixi?

A) Retained her own position with in the Qing Dynasty above all else.
B) Played her son off against her nephew to see which was more capable of ruling.
C) Implemented the 100 Days of Reform, designed to better organize the government.
D) Strengthened China so the country would be able to oust outsiders.
E) Cleared Christian missionaries out of the country's coastal regions.