单选题 He said that books on ______ popular science are in ______ short supply.

【正确答案】 B
【答案解析】[考点] 冠词辨析
[解析] 本题再次考查冠词辨析,用法如前所述,此处从略。popular science为“大众科学”; in short supply 为“短缺,紧缺”,类似的还有in abundant supply,表“供应充足,存储丰富”。