A．(A) The ship crew ignored repeated warnings.

B．(B) The passengers did not listen to the captain.

C．(C) The crew refused to obey the captain’s orders.

D．(D) The captain did not sleep well the night before the accident.

一创伤患者，伴恶心、呕吐、腹痛入院。体查：面色苍白，脉搏微弱，左下胸可见皮肤瘀斑，胸廓挤压征(+)，左肺呼吸音减弱，移动性浊音(+)，无明显腹膜炎体征。

首选的检查方法是

A．腹腔穿刺

B．腹腔灌洗

C．选择性脾动脉造影

D．腹部B超