Tom has planned a big party on Sunday and many friends _______ to take part in. [ ]

A. will invite

B. has invited

C. will be invited

D. has been invited

男性，45岁，近3个月来自觉全身乏力、头晕、低热，腹泻，便无脓血，近1周出现腹部阵发性疼痛，3天未排便，少量排气，既往行阑尾切除术。查体：右下腹可触及肿块压痛明显，肠鸣音亢进。白细胞10×10⁹/L，血红蛋白80g/L。X线腹平片见多处液气平面。诊断最可能是（）

A.回盲部结核

B.粘连性肠梗阻

C.阑昆残端脓肿

D.回盲部癌

E.溃疡性结肠炎