______ was born being good at all things. As an English learner, you can’t be excellent without enough practice.

A．Everybody

B．Somebody

C．Nobody

D．Anybody

下列哪一种是最可能的诊断

A．急性风湿热

B．儿童类风湿

C．尤因瘤

D．骨肉瘤

E．急性血源性骨髓炎