J.C.Kahn-Tinn's Argument Assumes Which of the Following

J.C.Kahn-Tinn's argument assumes which of the following?

A) It is possible to identify the leadership approach that would be effective in a given context before leadership action is required.
B) The leadership approach required to be successful in a given context is different from the approach required by any other context.
C) A person who has one of the qualities associated with leadership success is likely to possess other qualities associated with leadership success.
D) The leadership approaches people most often take are also the ones that are appropriate in most circumstances.
E) No characteristics are strongly connected with effective leadership.