What depressed her was that although she kept waving her hand, nobody seemed her new watch.
A. noticing
B. to have been noticed
C. to have noticed
D. having noticed
网友回答
A. noticing
B. to have been noticed
(答案→)C. to have noticed
D. having noticed
解析：句意：让她感到压抑的是，虽然她不停的在挥手，没有人似乎注意到她的新手表。Seem后面搭配不定式的不同形式，seem to do“似乎将要做”，seem to be doing似乎正在做…seem to have done似乎已经做了…，所以选C。