Don't handle the vase as if it made of steel.(·北京)A. isB. wereC. has beenD. had been

问题补充：

Don handle the vase as if it made of steel.(·北京)

A. is

B. were

C. has been

D. had been

答案：

A. is

(答案→)B. were

C. has been

D. had been

解析：句意：不要这么拿着这个花瓶，就好像它是钢制成似的。as if意为“好像”，分析句意可知as if后面的句子须使用虚拟语气，并且所述情况是对现在事实的假设，因此使用一般过去时，故选择B项。