男，33岁，有发热，小腿局部有疼痛，红肿并有压痛，结合图像，最可能的诊断是（）

A.骨髓炎

B.脂肪瘤

C.未见异常

D.骨髓瘤

E.骨化性肌炎

——May I go to play football with Mike now, Dad?

——No, you can’t go out ______ your homework is being done.

A．as

B．until

C．before

D．after