Despite the Benefit of Agreeing on an Industry Standard for New

Despite the benefit of agreeing on an industry standard for new high-tech markets,companies often aren't able to agree on which company's technology should be the industry standard.Which of the following (reasons) best describe why companies can't agree?

A) Each company believes that its concept is superior.
B) One company believes that its strong brand name will deliver it to the top.
C) Competing companies are unwilling to share intellectual property with each other.
D) Once willing to share trade secrets,companies cannot agree on how much that information is worth.
E) All of the above exemplify the difficulty in arriving at industry standards.