Which of the Following Expresses a Valid Conclusion About the Truthfulness

Which of the following expresses a valid conclusion about the truthfulness of advertising?

A) It is difficult to determine what constitutes untruthful or misleading advertising since deception can occur in subtle ways.
B) One of the major complaints about advertising is that many ads are misleading.
C) Most advertisers do not intentionally mislead or deceive consumers,but some will test the limits of various rules and regulations to gain a competitive advantage.
D) National advertisers are not likely to risk consumer trust and confidence by intentionally deceiving them.
E) All of the above statements express a valid conclusion about the truthfulness of advertising.