[单选] Although the parties are entitled to make their contract in any manner that they like，it is usual for them to adopt one of the standard forms and then（）it as they think fit.

经营者销售商品，可以以明示方式给予对方折扣。（） 在拟定支（拱）架的拆除程序时应注意什么？ 以下属于输入设备的有（） 数码相机。 图像处理器。 软件。 打印机。 模板支（拱）架的拆除期限与哪些因素有关？ 所有的商业贿赂行为均以帐外暗中为主要特征。（） Although the parties are entitled to make their contract in any manner that they like，it is usual for them to adopt one of the standard forms and then（）it as they think fit.