He felt_______ to work for human rights and progress.

A．it his duty

B．his duty

C．that is a duty

D．that is his duty

女，39岁，右颈部无痛性淋巴结肿大3个月，伴上腹疼痛，食欲不佳，发热、盗汗、体重减轻。行剖腹探查见胃与胰头及腹膜有粘连，周围有多个肿大的淋巴结，病理检查为非霍奇金淋巴瘤，T细胞来源。临床分期属（）

A.ⅡB

B.ⅢA

C.ⅢB

D.ⅣA

E.ⅣB