Which evidence from the text shows that Aunt Dete thinks that Heidi must be a burden to her grandfather?
Aunt Dete tells Heidi's grandfather, "I am responsible for what happens to her."
Aunt Dete tells Heidi's grandfather that he is "a person who cares for nobody."
Aunt Dete tells Heidi's grandfather that "the child must be much in his way."
Aunt Dete tells Heidi's grandfather that "she was very much alone and had no one to share her lessons."
