Theodore Dreiser belonged to the school of literary ______ which .emphasized heredity and environment as important deterministic forces shaping individualized characters who were presented in special and detailed circumstances.

A. naturalism



B. realism
C. determinism



D. humanism

关于肝血管瘤核素显像描述正确的是（）。

A.肝显像为单发或多发的放射性缺损区

B.肝血池显像呈“过度填充”

C.肝血池显像与周围正常肝组织相近

D.肝血流相有或无放射性充盈

E.A+B+D