Which of the following best describes a Treasury note Pays:（）

A. implicit interest; is non-callable; has a 2- to 10-year maturity.

B. explicit interest; is callable; has a 1- to 15-year maturity.

C. explicit interest; is non-callable; has a 2- to 10-year maturity.

从传播者的行为分析传播效果，就是分析（）。

A.传播者的权威性、传播的动机

B.传播者的吸引力、传播者的相似性

C.传播者的期待、传播者的作风

D.受众需要和受众心理