英语,请问高手这几个句子该怎么合并

题目

英语,请问高手这几个句子该怎么合并
将下面几个句子合并成一个句子,by using a compound subject,a compound predicate ,or a compound
sentence.Make any changes in wording where necessary.
A.But our history makes something clear
B.Free speech is not absolutely protected
C.This is especially in times of war
D.This is especially in times of crisis
E.The crisis is domestic

答案

　　But our history makes something clear that free speech is not absolutely protected,especially in times of war and domestic crisis.
　　供参考.