My Aunt's Family Slandered Me at the Banquet; I Dared Them Continue

At the celebration dinner for my acceptance into a top-tier graduate program, my aunt Diana stared at the acceptance letter in my hand and suddenly let out a cold laugh. "This school will really let anyone in these days, won't it!" The whole room went quiet. Aunt Marge, sitting at the same table, quickly asked, "What's that supposed to mean?" Diana shot me a glance and went on: