Project manager believes that modifying the project scope may provide added value for the customer. The project manager should（）

A.change the scope baseline

B.contact the customer to determine if the change adds value

C.call a meeting of the change control board

D.change the project's objectives

在外汇局个人结售汇系统，购汇资金用途选“提钞”时，录入提钞金额必须（）等值1万美元。

A.小于

B.小于等于

C.大于

D.大于等于