When the news came ________ the war broke out, he decided to serve in the army.
A.since
B.which
C.that
D.because
When the news came ________ the war broke out, he decided to serve in the army.
A.since
B.which
C.that
D.because
C解析:that引导同位语从句,对news进行解释说明。句意:当战争爆发的消息传来时,他决定参军。故选C项。