Which of the following statements are true?

a) Yao Ming is a basketball player
b) Men walk on two legs  
c) Beijing is the capital city of Zhina
c1) Peking was the capital of ROC
d) none of the above

对比一下英文，除了能得出现代汉语是垃圾语言以外，

看不出任何用垃圾语言检测考试能力的意义，，，，，