（单选题）
You are developing the Payroll application that contains the SALARY and COMMISSION forms. When a user invoked the COMMISSION form from the SALARY form, the SAL value should be passed to the COMMISSION form. In which data form and at what time should you define the parameter to accept the value?（）
ASALARY form at runtime.
BSALARY form at design time.
CCOMMISSION form at runtime.
DCOMMISSION form at design time.
正确答案
答案解析
略
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