【名词&注释】
孕产妇(pregnant women)、死亡率(mortality)、脾肾阳虚(yang deficiency of spleen and kidney)、纯母乳喂养率(rate of pure breast-feeding)、密切相关(closely related)、有效地(effectively)、异常情况(abnormal condition)、肾阳虚衰(deficiency of the kidney-yang)、及时发现(timely discovery)、分片包干
[单选题]与泄泻发病密切相关的内因为( )
A. 肾阳虚衰(deficiency of the kidney-yang)
B. 脾胃虚弱
C. 肝脾不和
D. 脾肾阳虚
E. 心肾不交