单选题 According to the passage, interdisciplinary studies are characterized by all the following EXCEPT that ______.

【正确答案】 A
【答案解析】本题为细节归纳题。据最后1段倒数第2句可排除C;据最后1段第1句可排除B和D。跨学科研究未必需要不同学科的专家联手研究。