—Do you like reading story-books?

—No, I don't. But my brother ________. He enjoys telling stories. [ ]

A. likes

B. is

C. has

D. does

胶体金标记技术的优点为（）。

A.较放免方法更敏感

B.标记物非常稳定

C.较酶联免疫方法更敏感

D.特别适合于定量分析

E.需特殊仪器