The old lady wouldn't speak to them for a time, but happening to meet Jo at a friend's, something in her comical face and blunt manner struck the old lady's fancy, and she proposed to take her for a companion.

老师好，请问，连词but后面句子的主语是something…但为什么分词happening的主语是but前的句子的主语lady？这算不算是悬垂了？