问题
单项选择题
Don't rest on your laurels, ______ your success and start looking for new markets now.
A．add up
B．follow up
C．work up
D．count up
答案
参考答案：B
解析： follow up用继续行动来加强……的效果。A．add up加起来，合计；C．work up综合加工，整理；D．count up共计。