Not having promoted the new digital camera successfully, the pany should its original marketing methods.
A. account for
B. reflect on
C. work out
D. call up
网友回答
A. account for
(答案→)B. reflect on
C. work out
D. call up
解析：考查动词短语。A 解释。。。的原因，占比例； B考虑；仔细思考C 制定；解出，计算出；D打电话。句意：没能成功地对新数码相机进行宣传推销，公司应该仔细思考一下最初的市场策略了。选B。