女,10岁,诊断为重症心肌炎,心脏听诊可能出现的特征性体征是
A 开瓣音 B
S<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12862141_0.gif">固定分裂 C
钟摆律 D
S<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12862141_0_1.gif">增强 E
P<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12862141_0_2.gif">增强