Which of the Following Statements Is True Concerning the Career

Which of the following statements is true concerning the career life cycle for top executives?

A) During the early years of executives' tenures, they tend to experiment extensively with product lines to learn about their business.
B) It is possible that a current CEO may not be appropriate to implement a new strategy.
C) The harvest stage occurs when executives' accumulated knowledge allows them to reduce experimentation and increase knowledge.
D) There is an inverted U-shaped relationship between top executive tenure and the firm financial performance.
E) all of the above