How does the Securities Act of 1933, which imposes civil liability on auditors for misrepresentations or omissions of material facts in a registration statement, expand auditors' liability to purchasers of securities beyond that of common law? A. Purchasers only have to prove loss caused by reliance on audited financial statements B. Privity with purchasers is not a necessary element of proof C. Purchasers have to prove either fraud or gross negligence as a basis for recovery D. Auditors are held to a standard of care described as professional skepticism