As shown in the figure, fold a square piece of paper twice, then cut along the dotted line. Which of the following options is the unfolded shape?



Translate the above text into English, keep the line breaks and format of the source text, and output the translation result directly.
Restore the problem. Therefore, the answer is (4).



Translate the text above into English, please keep the original text's line breaks and format, and output the translation result directly.