NON VERBAL _____ SUCH AS WAVING , NODDING OR SHAKING OF THE HEAD A...

33. - KIEM TRA 1TIET SO 1 TRON 4 DE
KIEM TRA 1TIET SO 1 TRON 4 DE
33. Non verbal _____ such as waving , nodding or shaking of the head also have cultural meanings . A. signs B. hints C. signals D. marks