联系上下文，补全对话。

A: ___________ your birthday ___________ March, Helen?

B: No, it's not.

A: ___________ is your ___________?

B: It's in April.

A: ___________ has a ___________ in March?

B: My grandma.

A: ___________ the ___________?

B: It's March 13th. Let's make a ___________ card for her.

A: ___________ idea.

采购市场的调查程序是（），其中：①收集调查资料；②分析整理；③确定调查目标；④设计调查表格；⑤确定调查项目；⑥确定调查方案。

A.⑤⑥②③①④

B.④⑥③⑤②①

C.①②⑤③④⑥

D.③⑤⑥④①②