Which of the Following Is an Example of an Argument

Which of the following is an example of an argument based on comparative reasoning?

A) I think John is Susan's younger brother. So, they have the same mother or the same father.
B) John's mother always drives John and Susan to school, but she does not pick them up after school.
C) John and Susan both have hair the color of harvest wheat on a sunny day. They must be brother and sister.
D) Every day after school John and Susan walk to the bus stop together.
E) Although younger, John is taller than Susan, but Susan is tall compared to her classmates.