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．account for占据，是…原因，B．reflect on反思，C．work out锻炼，制定出，结果是，D．call up打电话，回忆，句意：没有成功的推销它的新的数码相机，公司应该反思他们以前的市场策略。选B。