[单选题]

25． When did I tell the dentist he had pulled out the wrong tooth in the end?
A． After the tooth was pulled out of my mouth．
B．After the cotton-wool was pulled out of my mouth．
C． When the dentist was asking me questions．

25． When did I tell the dentist he had pulled out the wrong tooth in the end?A． After the tooth was pulled out of my mouth．B．After the cotton-wool was pulled out of my mouth．C． When the dentist was asking me questions．