第12937题 单选
点击给定Python Tkinter代码中Change text按钮后,标签的文本会变成?
import tkinter as tk
def change_text():
    label.config(text="Changed text")
root = tk.Tk()
label = tk.Label(root, text="Original text")
label.pack()
button = tk.Button(root, text="Change text", command=change_text)
button.pack()
root.mainloop()
A

保持不变

B

Changed text

C

Button clicked!

D

Original text