Which of the Following Is a Provision of the Sherman

Which of the following is a provision of the Sherman Act:

A) unfair methods of competition in or affecting commerce...are...unlawful
B) it shall be unlawful for any person engaged in commerce...to discriminate in prices between purchasers of commodities of like grade and quality
C) no corporation...shall acquire...another corporation...where...the effect of such acquisition may be substantially to lessen competition, or to tend to create a monopoly
D) every contract, combination...or conspiracy, in restraint of trade...is illegal
E) none of the other choices are a part of the Sherman Act