What way is used in writing the following conclusion?( )。 Stereotypes such as the ditzy blonde, harried executive, and annoying in-law are insulting enough to begin with. In magazine ads or television commercials, they become even more insulting. Now these unfortunate characters are not just being laughed at; they are being turned into hucksters to sell products to an unsuspecting public. Consumers should boycott companies whose advertising continues to use such stereotypes.
A.
a summary or an evaluation of the essay’s major points
B.
a recommendation or call to action
C.
a warning
D.
a quotation
E.
a prediction