—Do you know who stole the computer?

—I don't know. But I'll try to ______ who did that. [ ]

A. hand out

B. look out

C. check out

D. find out

甲状腺功能亢进症患者用硫脲类或咪唑类药物治疗后，症状好转，甲状腺较以前增大，下列哪项处理最适宜（）

A.加用普萘洛尔

B.停止用药

C.加用甲状腺片

D.加用碘剂

E.外科手术