Answer: A) Frank was a very tall man, and managed to immediately intimidate most people he met and B) The door opened and in came ridiculous Reginald, as dapper and debonair as ever.
Step-by-step explanation: characterization is a literary device that consists in the description of a character (it can be of its physical appearance or personality), it can be direct, when the speaker explicitly describes the character, or indirect if it is described by dialogues or actions. In the given sentences, there are two examples of direct characterization, options A and B, because they are describing the characters (Frank and Reginald respectively) explicitly and directly.