回答:本句介词about 后面的a man不是宾语而是动名词breaking的修饰语。 动名词可以被名词所有格或名词、物主代词或人称代词宾格来修饰(动名词作主语时,不能用名词或人称代词、只能用名词所有格或物主代词来修饰动名词),这些修饰词与动名词之间在逻辑上存在主谓关系。如:
Tom's / His coming late made me angry.
Do you mind my / me / Tom's / Tom going on a trip to London with you?
但是,若动名词的修饰语(逻辑主语)是无生命的名词,只能用名词来修饰动名词。如:
He complained about the room being too small.