问题
单项选择题
Dina, （）for months to find a job as a waitress, finally took a position at a local advertising agency.
A. struggling
B. struggled
C. having struggled
D. to struggle
答案
参考答案：C
解析：
struggle和Dina构成主谓关系，所以排除B。由for months可知这里应该是现在完成时。故选C。