the fence was built (out of) used soda cans正确答案是out of ,为什么要选out of阿?请把整句都翻译过来,莪看卟懂.

x�͐�J�@Ee� ���!~Kڤ(H��Lk�5�Q�X�A�TEl�����1f�L��4)�х��}�{�}��������5t�Բw�,�a�2:��&����*�����|<��!�0�5���{�t��@��#�)����n�C�fV�T�^�8�&�ǵ�q��/7�1]^_�+�i�_~\����3���+���NФ�.�J_�'�G�