"It wasn't intentional," Gu Jiao said. "I heard, but I was thinking about something else; something I was considering before you asked."
The implication being that she could only respond after finishing her thoughts.
Jing Er Ye, who had never seen such a person before: "…"
"What's the matter with your horse?" Jing Er Ye asked, pointing at Heifeng Wang.
Gu Jiao had said she was looking for horses, not specifying just one, so Jing Er Ye naturally assumed the other horse was also Gu Jiao's.
Gu Jiao didn't explain that Heifeng Wang wasn't her horse; she just shook her head slightly and said, "I don't know."
The Duke, sitting in the carriage, watched Jing Er Ye stupidly talking with Gu Jiao in the rain, trembling with anger.
Jing Er Ye had an umbrella, but Gu Jiao did not.