问题补充：
Mary came in the Chinese exam. This is time she got the good mark.
A. first, second
B. the first; the second
C. first; the second
D. the first; second
答案：
A. first, second
B. the first; the second
(答案→)C. first; the second
D. the first; second
解析：句意：玛丽在这次汉语考试中获得第一名，这是她第二次获得好成绩。come first名列第一，固定结构；the second time第二次，序数词前面要加the.
