Read the excerpt from Frida Kahlo by Hedda Garza. Because of Rivera’s international reputation, most visitors approached him with deference. Kahlo threw caution to the winds, shouting out, "Diego, come down!”

Curious to know more about the daring young girl below, the bulky Rivera made the slow descent to the ground floor. Kahlo wasted no time in preliminaries. . . . "I have come to show you my paintings,” she told him audaciously. She told him her name and Rivera remembered that just a few years earlier, the director of the National Preparatory had told him that the girl who had caused him so much trouble was the same Frida Kahlo. Instead of becoming angry at Kahlo’s audacity, the unconventional artist was delighted to meet his former tormentor face to face.

Which detail from the text best supports the opinion that Frida Kahlo was a confident woman?

Most people showed respect for Diego Rivera.
Kahlo yelled boldly to get Rivera’s attention.
Rivera came quickly to meet Frida Kahlo.
A school director told Rivera about Kahlo.