单选题 He's studying hard in case that he ______.
  • A) would lag behind
  • B) lags behind
  • C) should lag behind
  • D) could lag behind


【正确答案】 C
【答案解析】[译文] 他正在努力学习，惟恐落后。
[解析] 考查虚拟语气。in case意思是“惟恐”，与lest，for fear that意思相同，引导的从句谓语动词用“(should)+动词原形”。