from tkinter import *
canvas=Canvas(width=800,height=600,bg='yellow')
canvas.pack(expand=YES,fill=BOTH)
k=1
j=1
for i in range(26):
canvas.create_oval(310-k,250-k,310+k,250+k,width=1)
___(A)___
j+=0.3
mainloop()
A.i+=j
B.k+=i
C.k+=j
D.i+=j
【答案】:C
【本题解析】
分析程序,学会画圆形即可