This is the case _____ he's had all his money stolen. [ ]

A. when

B. where

C. that

D. on which

男性，30岁。全身乏力，低热、伴左上腹肿块半年，肝肋下2cm，脾肋下7cm，化验：血红蛋白80g／L，白细胞140×10的9次方／L，血小板100×10的9次方／L，骨髓象原始粒细胞0.02，ph染色体阳性，正确的治疗为

A．大剂量抗生素抗感染

B．脾切除

C．HOAP方案化疗

D．羟基脲口服

E．VAP方案化疗