酶免疫技术中选定最佳工作浓度常采用（）

A.抗体稀释法

B.抗原稀释法

C.酶标记物稀释法

D.棋盘滴定法

E.A+B

Which nursing diagnosis would the nurse anticipate as having the highest priority for the client with gestational diabetes in labor

A．Risk for infection related to invasive procedures during labor.

B．Risk for injury to fetus related to the effects of diabetes on uteroplacental functioning.

C．Deficient knowledge related to lack of information about care during labor.

D．Interrupted family processes related to diabetes increasing the client's risk of complications.