—He plays basketball so well! Who taught ?—He learnt it by . A. him; him B. him; himself C

问题补充：

—He plays basketball so well! Who taught ?

—He learnt it by .

A. him; him B. him; himself C. himself; him

答案：

解析：him他；himself他自己。句意：他打篮球是如此好。谁教的他？——他自学的。短语learn by oneself自学。结合语境可知选B。