He played a trick ____ Jessy and he had to apologize _____ treating her ____ a nice dinner.

A．on; for; to

B．in; by; to

C．on; by; to

D．on; by; with

（）可使表达蛋白避免被细胞内蛋白降解，或使表达的蛋白正确折叠，从而达到维护目的蛋白的目的。

A.分泌表达载体

B.GST融合表达载体

C.组氨酸标签表达载体

D.内含肽表达载体