单选题
The exchange of goodwill mission greatly ______ a better understanding between the two countries.
A、
carries out
B、
brings around
C、
breaks out
D、
contributes to
【正确答案】
D
【答案解析】
解析：A项carry out“执行，实行”；B项bring around“使信服”；C项break out“爆发”； D项contribute to“有助于”。
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