男孩，5岁，双下肢（包括臀部）开水烫伤1h入院。查体：体温：36.6℃，脉搏：110/分，呼吸：22/分，血压：90/70mmHg，双下肢散在大小水疱，创基潮红，渗出多，触痛明显

无感染及其他并发症，该患儿大约住院多长时间即可痊愈出院（）

A.7d

B.3周

C.1个月

D.2周

E.5周

Premier Corp. ’ s year-end last in, first out (LIFO) reserve was $ 2500000 in 2000 and $ 2300000 in 2001. Premier’ s $ 200000 decline in the LIFO reserve could be explained by each of the following EXCEPT:（）

A. declining inventory prices. 

B. a LIFO liquidation occurred. 

C. the LIFO reserve was being amortized.