Winning is usually a cause for celebration,       may not be so for US president Barack Obama,      won the Nobel Peace Prize on October 9.

A．it ; which

B．which ; which

C．which ; whom

D．which ; who

舒曼在“大卫同盟”社中两位假想的社员，其中约瑟比乌斯的性格特点是（）。

A.冷静幻想的

B.热情幻想的

C.热情奔放的

D.沉思幻想的