单选题 He doesn't seem to be able to ______ any interest in his studies.

【正确答案】 B
【答案解析】[解析] A项make up意为“组成,弥补”;B项work up意为“逐渐达到,激发出”; C项turn up 意为“出现,找到”;D项use up意为“用光,精疲力竭”。根据句子的上下文,只有B项可以与后面的宾语any interest构成符合逻辑的搭配,所以B项为正确答案。