When Economists Say That a Firm Is a Price Taker

When economists say that a firm is a price taker they mean that

A) the demand curve that the firm faces is perfectly inelastic.
B) the firm can alter the market price as it changes its rate of production.
C) the firm initially takes price as given and tries to influence it through advertising.
D) at the price prevailing in the market, the firm will be willing to sell an infinite quantity.
E) the firm can alter its rate of production and sales without affecting the market price of the product.