Which one of the following, if true, most weakens the argument in Homework #32?
A. Most people who use slang expressions in conversation understand what they mean.
B. Many slang expressions that appeared in earlier forms of the English language disappeared over time, as the people who used them were assimilated into larger groups that used different expressions.
C. Whether a new word or phrase is widely used in the media and entertainment is an important factor in whether the word or phrase will become common slang.
D. Slang expressions are more likely to be invented by children and adolescents than by any other segment of the population.
E. Languages of the highest quality often evolve over time out of a collection of slang expressions woven into the formal dialect of a given people.