HELP IM TIMED Which line from White Fang is an example of internal conflict?

“She rolled him off his legs so that he could not run, while she repeatedly ripped and slashed him with her fangs.”
“There was something calling to him out there in the open. His mother heard it, too. But she heard also that other and louder call, the call of the fire and of man.”
“Lip-lip was upon him, bullying and hectoring him, or fighting with him until he had driven him away.”
“Grey Beaver continued to beat, White Fang continued to snarl. . . . One or the other must give over, and that one was White Fang.”