What Are the Four Challenges Facing E-Businesses Outlined in the Text

What are the four challenges facing e-businesses outlined in the text?

A) Identifying limited market segments,managing consumer trust,ensuring consumer protection and improving information content
B) Decreased costs,increased convenience,identifying limited market segments and adhering to taxation rules
C) Protecting customers,leveraging existing systems,increasing liability,providing security and adhering to taxation rules
D) Differs depending on the industry where the business operates