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A is corrent because the issuance of stock warrants is considered to be the sale of securities and consequently is subject to the registration requirements of the Securities Act of 1933.
B is incorrect because a security exchanged by an issuer exclusively with its existing shareholders, a stock dividend, is exempt as long as no commission is paid and both the original and subsequent set of securities were issued by the same entity.
C is incorrect because securities of savings and loans supervised by federal authorities are exempt from the registration requirements of the 1933 Act.
D is incorrect because securities issued by a common carrier regulated by the Interstate Commerce Commission are exempt from the registration requirements of the 1933 Act.