27. Published in Harlem, the owner and editor of the Messenger were two young journalists. Chandler Owen j and A. Philip Randolph, who would later make his reputation as a labor leader.

(A) Published in Harlem, the owner and editor of the Messenger were two young journalists. Chandler Owen and A. Philip Randolph, who would later make his reputation as a labor leader.

(B) Published in Harlem, two young journalists, Chandler Owen and A. Philip Randolph, who would later make his reputation as a labor leader, were the owner and editor of the Messenger.

(C) Published in Harlem, the Messenger was owned and edited by two young journalists, A. Philip Randolph, who would later make his reputation as a labor leader, and Chandler Owen.

(D) The Messenger was owned and edited by two young journalists. Chandler Owen and A. Philip Randolph, who would later make his reputation as a labor leader, and published in Harlem.

(E) The owner and editor being two young journalists, Chandler Owen and A. Philip Randolph, who would later make his reputation as a labor leader, the Messenger was published in Harlem.

In D, the phrase and published in Harlem is too remote from the Messenger to modify it effectively.

请nn指教，怎样判断何时句中的某一成分离要修饰的词太远？

How far is too far? Well, I am afraid this can not be quantified.

Usually you want the modifier to follow the element that it modifies

immediately in order to avoid any ambiguity. At least that's how ETS

wants it.