Choice "A" is correct. Persons who own more than 10% of a corporation's stock must file an annual report with the SEC.
Choice "b" is incorrect. Corporations are not exempted from registering new issues under the 1933 Act simply because the corporations report under the 1934 Act.
Choice "d" is incorrect. All proxy statements must be filed, even if there is only one class of stock.
Choice "c" is incorrect. 10Ks must include audited financials.
