单选题 Developments in international cooperation are often, it is suggested, the result of ______.

A、 friendships formed by scholars at meetings
B、 articles in learned journals
C、 the work of international agencies
D、 programs initiated by governments

【正确答案】 A

【答案解析】文章倒数第二段最后一句话说“From these meetings come the personal relationships which are at the bottom of almost all formalized schemes of cooperation，and provide with their most satisfactory stimulus”，这里的“personal relationships”指的就是“friendship”。由此可见A应为正确答案。