题目

_________ be sent to work there?     A. Who do you suggest B. Who do you suggest that should C. Do you suggest who should D. Do you suggest whom should   答案：A已知定义域为R的函数y=f（x）满足f（-x）=-f（x+4），当x＞2时，f（x）单调递增，若x1+x2＜4且（x1-2）（x2-2）＜0，则f（x1）+f（x2）的值（ ）A．恒大于0B．恒小于0C．可能等于0D．可正可负