The Change in the Option Symbol Quotation System Was Driven

The change in the option symbol quotation system was driven by which of the following?
I. Advances in technology
II. Increase in the number and type of option products
III. Difficulty in applying the old system to NASDAQ stocks
IV. Difficulty in applying the system to complicated option products

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