We heard nothing more from him ever after.-------- we began

A.As soon as 尽快 B.So that 因此 C.In case 万一 D.As a result 结果是
所以应选 :C
We heard nothing more from him ever after.____So that ____ we began to wonder if he was dead.
我们从始再没有收到他的音讯,因此,我们便开始怀疑他已死了.