Which of the following best describes the relationship between the two men

A．Smith gives Brown money.

B．Smith is faithful to Brown.

C．Brown’s noble character makes him faithful to Smith.

D．Brown is faithful to Smith because the latter often praises him.

北美分布范围最广的气候是

A．温带海洋性气候

B．极地气候

C．温带大陆性气候

D．温带草原气候