腹部闭合性损伤患者，若出现下列哪种情况应早期剖腹探查（）。

A.恶心、呕吐、酸中毒

B.腹膜刺激征范围逐渐扩大

C.腹腔穿刺抽出凝固性鲜血5ml

D.白细胞12.5×10⁹/L，中性粒细胞80%

E.阵发性腹痛，且阵痛加剧，间歇期延长

Which statement about renewable and non-renewable resources is most accurate（）

A. The price of a renewable resource is the present value of its expected next-period price.

B. Land is considered a renewable resource.

C. The known stock of a non-renewable resource must decrease as the resource is used.