--- Can I come and have a look at your new house? --- Yes,         !

A．with pleasure

B．I like it

C．by all means

D．I quite agree

位于安徽芜湖市东北郊的“神山铸剑”遗址极富传奇色彩，相传春秋时干将在此设炉造剑，三年成剑，锋利无比．干将造剑主要是利用了金属具有良好的______性，可锻打成剑．