Choice "C" is correct. Under Section 11, all a plaintiff must prove is a false statement in the registration statement and damages.
Choice "a" is incorrect. A plaintiff must prove a false statement in the registration statement and damages. Privity is not required.
Choice "b" is incorrect. The plaintiff need not show that the issuer failed to exercise due care. All the plaintiff need show is that: (i) the plaintiff acquired (not necessarily bought) the stock, (ii) the plaintiff suffered a loss, and (iii) the registration statement contained a misrepresentation of, or an omission of, a material fact.Choice "d" is incorrect. A plaintiff need not have given value for the securities as long as the plaintiff can prove a material misstatement and a loss. The plaintiff could have received the securities as a gift.