Which of the Following Refers to the Practice of an Owner

Which of the following refers to the practice of an owner of a particular stock telling other investors about the virtues of the stock,artificially increasing demand for the stock,and causing an increase in price only to sell it for a quick profit?

A) Pumping and dumping
B) Marketing and selling
C) Pushing and pulling
D) Increasing and decreasing
E) Inflating and deflating