In the passage, the author is trying to tell us ______.
A、howTVadsvaryvocalsoundstoattractattention;
B、howtheloudnessofTVadsisovercome;
C、howadvertiserscontrolthesoundpropertiesofTVads;
D、howtheattention-gettingpropertiesofsoundsaremadeuseofinTVads
发布时间:2025-08-16 22:24:42