Which of the Following Occurred During the Crash of 1987

Multiple Choice

Which of the following occurred during the Crash of 1987?
I. market prices were kept up-to-date which increased investors' anxiety
II. the market declined another 5 percent within the 2 days following the crash
III. trading volume exceeded the exchanges' capacities
IV. NASDAQ went off-line

A) I and II only
B) III and IV only
C) I, II and IV only
D) II, III, and IV only
E) I, II, III, and IV