The old father ______ the project ten years ago but didn’t live long enough to complete it so

his sons and daughters ______ and are continuing doing it now.

A．came up; picked it up

B．put up; kept it up

C．took up; took it up

D．set up; brought it up

ECU在分析某些数据参数时，不仅要考虑传感器的数值，而且要判断其响应的速度，以获得最佳的控制效果。