Choice "A" is correct. Under the Revised Model Business Corporation act, a corporation's initial bylaws may be adopted by either the incorporators or the board of directors.
Choices "d" and "b" are incorrect, because the corporation's bylaws are a separate document not included in the corporation's articles of incorporation.
Choice "c" is incorrect, because under the Revised Model Business Corporation Act, a corporation's initial bylaws may be adopted by either the incorporators or the board of directors.