The Figure Given Below Shows the Demand [D and D']

The figure given below shows the demand [D and D'] and supply [S and S'] curves of shares of stock.Figure 17.2

-The Dot-Com bubble in the U.S. occurred due to:​

A) ​a rapid fall in the stock prices of manufacturing companies.
B) ​a rise in housing prices relative to the rental cost of housing.
C) ​a dramatic rise in the shares of stock in the South Sea Company.
D) ​an unforeseen rise in the price of tulip bulbs which were the major exports of the U.S at that time.
E) ​the exceptionally high price-to-earnings ratios of high-tech companies in the U.S.