Question

【题目】—What is your father doing?
—He is trying to build up his own company.
A.set out
B.make up
C.set up

Answer 1

【答案】C
【解析】句意：——你父亲在做什么？——他正在努力创办自己的公司。build up=set up意为“建立”，A.出发； B.编造，故选C。