Which of the Following Is Considered a Strategy for Timing

Which of the following is considered a strategy for timing the market and adding value to actively managed portfolios?

A) timing the markets by shifting between different types of securities based on market forecasts and estimated risk premiums.
B) shifting funds between the various equity sectors, industries, investment styles, etc., in order to take advantage of the "hot" concept before the remainder of the market does.
C) individual stock picking in order to buy low and sell high.
D) using tactical asset allocation strategies.
E) All of these are correct.