Two years later, her brother disappeared in the war, never again.
A. having been heard from
B. to be heard from
C. to hear from
D. being heard
网友回答
A. having been heard from
(答案→)B. to be heard from
C. to hear from
D. being heard
解析：不定式作结果状语,表示出乎意料、意想不到的结果，结合语境可知答案为B。而动词ing形式作结果状语表示自然而然、顺理成章的结果。hear from意思为 “接到……的信;听到某人的消息”,此处要用被动结构。