I would like ____ you to my birthday party, but I was busy and forgot to call you.

[      ]

A. to invite

B. inviting

C. to have invited

D. having invited

程序外DNA合成试验的检测终点是（）。

A.染色体完整性改变

B.染色体分离改变

C.DNA完整性改变

D.DNA碱基序列改变

E.DNA重排或交换