She may have missed the train, in case she won't arrive for another hour.
A. whose
B. that
C. which
D. what
网友回答
A. whose
B. that
C. which
D. what
解析：
此题容易误选 A，因为不少同学认为在定语从句中能用做定语的关系代词的只有 whose。其实除 whose可用做定语外，which也可用做定语，只是含义上有差别：在此情况下，whose的意思相当于one's，而 which的意思则相当于 that或 this。