He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.1/30Hehadneverexperiencedsuchdiscourtesytowardsthe president as it occurred at the annual meeting in May.politenessrudenessmeasurementencouragementGiải thíchĐáp án B Giải thích: discourtesy = rudeness (n) sự bất lịch sự