It takes a longtime to ________ a good name, but this name is quickly lost by just one crimeor piece

It takes a longtime to ________ a good name, but this name is quickly lost by just one crimeor piece of bad behavior.

A.build up

B.put up

C.turn up

D.set up

答案及解析： A

解析：

build up逐步建立这里指逐步建立起的好名声。其他词组的意义放在这都不合适。