It seems that creative thinking, which is one of the most___________skills in society, is a matter of habits. 

A．high valued

B．high valuing

C．highly valued

D．highly valuing

关于颅内脑膜瘤的CT影像学特征，描述正确的有（）

A.肿瘤呈圆形或分叶状或扁平状，边界清晰

B.密度均匀呈等或偏高密度，少数可不均匀和呈低密度，出现瘤内囊变或坏死，也可见点状钙化

C.增强后密度多呈不均匀增高

D.可见局部颅骨可增生或破坏

E.可出现局灶性水肿或广泛水肿