Most parents are not _____ the danger of their babies' eating jelly, which causes most unfortunate incidents

to happen. [ ]

A. well aware to

B. very aware of

C. aware that

D. well aware of

在对敌斗争中，敌对势力和刑事犯罪分子经常会制造假象、伪造信息、毁灭罪证，这样便造成了识别信息真伪的（）

A.随机性

B.不完善性

C.复杂性

D.不均衡性