下列关于胰岛素急性耐受性产生原因的描述，哪一项是错误的
A．并发感染
B．高乳酸血症
C．手术
D．严重创伤
E．情绪激动
参考答案：C
People _______ the dead person was related would make paper-cut offerings on special days.
A．who
B．for whom
C．to whom
D．whom
B1细胞主要分布于( )
A．胸腔、腹腔和肠壁固有层 B．皮肤、呼吸道C．泌尿生殖道 D．外周血和脾脏
