At a Certain College, the Average Difference in GPA for Male

Multiple Choice

At a certain college, the average difference in GPA for male sophomores compared to male freshmen is 0.5 point. The average difference in GPA for female freshmen compared to female freshmen is also 0.5 point. Based on this pattern, you can conclude

A) There is no interaction between gender (male, female) and GPA.
B) There is no interaction between gender (male, female) and class (freshmen, sophomore) .
C) There is no interaction between class (freshmen, sophomore) and GPA.
D) There is an interaction between gender (male, female) and GPA.