Faced with Piratical Attacks in the 16?? Century,the Chinese Government

Faced with piratical attacks in the 16?? century,the Chinese government

A) turned a large part of its army into a naval force.
B) abandoned many coastal areas.
C) negotiated away the rights to several islands.
D) faced them openly and defeated them.
E) refused to believe that the pirates posed a serious threat to their control.