All these animals are        and they can communicate with each other. [ ]

A.of a high intelligence

B.of high intelligence

C.of high intelligences

D.of higy intelligence

淋巴系统先天发育障碍可致（）

A.粒细胞发育障碍

B.联合免疫缺陷症

C.慢性肉芽肿

D.吞噬细胞缺陷

E.共济失调性毛细血管扩张症