肾结核最主要症状为（）

A.全程血尿

B.慢性进行性膀胱刺激症状

C.脓尿

D.全身结核中毒症状

E.肾绞痛

—Who was it _____?

—Thomas Edison. [ ]

A. invented by

B. invented from

C. invented of

D. invented in