单选题

如图所示程序,下列操作哪个能实现:程序不报错,仅中间红色虚线框中部分不运行?( )

A

import turtle

 

turtle.pendown()

turtle.forward(150)

turtle.left(120)

'''

turtle.forward(150)

turtle.left(120)

"""

turtle.forward(150)

turtle.left(120)

turtle.penup()

B

import turtle

C

import turtle

D

import turtle

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