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The two company broke ______ diplomatic relations two years ago.
A、out
B、in
C、into
D、off
【正确答案】：D
【题目解析】：本题考查有关break的词组辨析。break out:爆发・突发；break in：打断.闯入；break into：闯入，破门而入；break off：中断，断绝。根据题意，“这两家公司两年前就中断了外交关系了。"D最合适。答案为D。