单选题 He said that books on______popular science are in______short supply.
  • [A] the; a
  • [B] /; /
  • [C] /; the
  • [D] the; the


【正确答案】 B
【答案解析】[解析] 本题考查冠词用法。popular science为“大众科学”；in short supply为“短缺，紧缺”，答案为B。[知识拓展] 类似的还有in abundant supply，表“供应充足，存储丰富”。