单选题The expression “flummoxed by” in the sentence “Politicians, obsessed with inputs and outputs, targets and controls, are flummoxed by immeasurable concepts such as the value people place on spending time with their families.”(para.2) can best be replace

The expression “flummoxed by” in the sentence “Politicians, obsessed with inputs and outputs, targets and controls, are flummoxed by immeasurable concepts such as the value people place on spending time with their families.”(para.2) can best be replaced by ______.