________ Tom liked to eat was different from ________.

A．That…that you had expected

B．What …that you had expected

C．That…what you had expected

D．What…what you had expected

男性，70岁，面色苍白、乏力半年余，腰痛1个月。查体：肝脾不大，血红蛋白80g/L，白细胞4.0×10⁹/L，血小板70×10⁹/L，尿蛋白（++），腰椎X线片示骨质疏松和圆形穿凿样溶骨损害，最可能的诊断为（）

A.急性白血病

B.类风湿关节炎

C.骨髓转移癌

D.淋巴瘤

E.多发性骨髓瘤