运行下面代码的正确结果是？（ ）

filename = "example.txt"
line_count = 0
with open(filename, "r") as file:
     for line in file:
         line_count += 1
print(f"The file 'example' has {line_count} lines.")

  其中example.txt文件内容如下：

      My Favorite Animal

Once upon a time, I had a pet dog named Max. 

Max was the most obedient dog I knew. 

We played fetch in the park, went on long walks in the woods, and even took naps together on lazy afternoons.