The nurse is caring for a client with otosclerosis scheduled to undergo a stapedectomy. The client asks the nurse when her hearing will improve. Which response by the nurse is most appropriate

A. Your hearing may not improve but you’ll no longer be bothered by tinnitus.
B. Your hearing may be dramatically improved right after surgery.
C. You may notice improved hearing within 1 to 2 weeks.
D. Your hearing may improve 3 to 6 weeks after surgery.

男，26岁，突然上腹剧痛，不能直腰，于发病30分钟后来诊，查BP110／80mmHg，P100次／分，痛苦面容，全腹压痛反跳痛和肌紧张，以剑突下为著，肝浊音界位于右锁骨中线第6肋间，肠鸣音消失，血Hb91g／dl，WBC7.0×10⁹／L，尿淀粉酶128U／L。进一步有意义的首选检查方法是（）

A.腹部CT

B.腹立位平片

C.腹部B超

D.腹腔灌洗

E.生化检查