The right option is C. Liesel wants to get married, but her father disapproves.
The sentence, Liesel wants to get married, but her father disapproves, most clearly shows external conflict.
External conflict is the conflict that occurs between a character (person) and others (opposing external forces). Conflicts in a story create tension, stakes and character development. External conflict can be grouped into four main types, which are (i) Character vs. character (ii) Character vs. society (iii) Character vs. nature and (iv)Character vs. technology.
