The correct answer is C. Static.
Step-by-step explanation
Static is a word that refers to the absence of movement of any object, organism, fact, situation, among others. In the field of literature, when a character is static, its refers to a character that has limited features, and the few that do not allow him/her to stand out in the situations that surround him/her, and he/she is not affected by the events of the plot. Therefore, when in the statement it is mentioned that "a character with few traits and who is not affected by the events of the plot" refers to a static character. So, the correct answer is C. Static.