【题目】When the candidates came in, the interviewer made a ________ to them to take their seats at the desk. Which of the following is IMPROPER?
A.motionB.hint
C.signD.signal
在线课程【答案】C
【解析】
考查名词词义辨析。句意：当应试者进来时，面试官示意他们在桌旁就座。A. motion动作、手势；B. hint暗示、示意；C. sign符号、迹象；D. signal信号、暗号。由语境可知，C项不正确，故选C。