The sentence below from the section "Idiom And Slang" helps prove the claim
that some groups make up their own slang to communicate with each other.
Many groups, from teenagers, jazz musicians and criminals to business
workers, have all used slang.
Which sentence from the section provides further support for the claim?

a.)As languages changed, people created new ways of saying things.

b.)If the correct word is not known, a new one will be created or borrowed.

c.)The word "rhubarb" was taken over by baseball players to mean a noisy argument.

d.)The vocabulary of slang is enormous, and it continues to grow.