93.Just having put away the dishes from the table,----.
问题描述：
93.Just having put away the dishes from the table,----.
A.someone knocked at the door
B.she heard someone knocking at the door
C.there was a knock at the door
D.the telephone
答
选择B
刚收拾完桌子,她就听到有人敲门.
既然前面的状语部分用了现在分词,就说明后面句子的主语就是前面have put away的逻辑主语.
所以应该是she作主语.