Which sentence from the text BEST supports the inference that Delon cares about his sister's feelings?
A. "It's just that I've got this thing I have to do for my family, well, it's actually for my little sister, with my family," he mumbled.
B. "To her, the best show in town is her dance recital, and it would mean the world to her if Delon were there to support her."
C. Delon stood and waved wildly at her for a moment before his mother shushed him and told him to sit down with a look of embarrassment.
D. When all the dancers came back on stage to take a bow, Delon grabbed the bouquet of roses that his mom had brought along.