whAt will hAppEn to thE jEt sAlEs in 2008 A、thE sAlEs ArE ExpECtED to slow ForAirBus AnDBoEing. B、thE sAlEs ArE ExpECtED to inCrEAsE only ForBoEing. C、thE sAlEs ArE ExpECtED to slow only ForAirBus. D、thE sAlEs ArE ExpECtED to slow For nEithErAirBus norBoEing.