问题补充：
Each girl present at the party was wearing a flower in the hair, which their beauty.
A. added
B. added up
C. added to
D. added up to
答案：
A. added
B. added up
(答案→)C. added to
D. added up to
解析：考查词义辨析：A. added加，B. added up加起来，C. added to增加，D. added up to共计是，句意是：出席聚会的每个女孩头上都带着花，这增加了她们的美。选C。
