In the sentence "Consumers bother less with pocket change and are able to use plastic even at traditionally cash-only vendors. "(paragraph 3 ), the word "plastic" has the meaning of ______.

A．essay
B．novel
C．political
D．poem

A．Latin; sino-Tibetan
B．lndo-European; Slavic
C．Latin; Slavic
D．Indo-European; Sino-Tibetan