预制构件的吊环必须采用未经冷拉的（）钢筋制作，不得以其他钢筋替代。

A.热轧带肋

B.冷轧带肋

C.热轧光圆

D.环氧树脂涂层

Although the painting is very ____ pleasant, it is thought to be copied with a modern printing machine. [ ]

A. visually

B. highly

C. physically

D. mentally