文件numbers.txt的内容如下：

5

12

7

15

3

20

8

执行下面Python代码后，输出的结果是？（    ）

def func(file_path, threshold):

      lst = []

      with open(file_path) as file:

            for line in file:

                  number = int(line.strip())

                  if number > threshold:

                        lst.append(number)

      return lst

file_path = 'numbers.txt'

threshold = 12

selected_numbers = func(file_path, threshold)

print(selected_numbers)