根据短文理解，从A、B、C三个选项中选择最佳答案填空。

    A young father was visiting an old man. They were standing in the old man's garden and  1  children. The young man said, "How strict should parents be  2their children?" The old man pointed to a line3 a big, strong tree and a thin, 4  one. "Please untie the line," he said. The young man 5 so, and the young tree bent(弯曲) over to one side.

    "Now tie it again," said the old man, "but first pull the line tight(紧紧地) so that the young tree is6  again." The young man did as the old man told him. Then the old man said, "It is the same with  7  . You must be strict with them, but sometimes you must untie the 1ine8 how they are getting on. If they are not yet able to stand alone, you must tie the line tight 9 . But when you find that they are ready to stand alone, you can take the10   away."

材料一：夫商君为孝公平权衡、正度量、调轻重，决裂阡陌，教民耕战。是以兵动而地广，兵休而国富，故秦无敌于天下。

——《战国策·秦策三》

材料二：洋务派先后创办了一大批军工企业……逐步做到了“凡一切枪炮、轮船、军火均能自造”。……（洋务运动）把“近代工业导入中国，开始了中国的机器时代”，使中国在工业近代化道路上迈出了可喜的一步。然而，众所周知，洋务运动既未能使中国强，也未能使中国富……甲午战争的失败，最终宣告了这一运动的破产。

材料三：1853年，来自太平洋东岸美利坚合众国的四艘全副武装的黑色军舰，敲开了日本国门。这个东方岛国遭遇了巨大的生存危机，也迎来了弃旧图新的机遇。

15年后的1868年，封建幕府被推翻，明治天皇登基。1868年成为日本历史上具有转折意义的一年。

——《大国崛起·日本》

设A=$\begin{array}{cc}2& 1\\ 5& 3\end{array}$，x=$\begin{array}{c}x\\ y\end{array}$，B=$\begin{array}{c}4\\ 11\end{array}$，且AX=B．

（1）求A^﹣1；

（2）求X．