男性，46岁，因足趾黑痣破溃入院，三个月前患者右足拇趾底原有黑痣显著扩大，色素加深，3天前破溃。临床诊断为（）。

A.恶性黑色素瘤

B.基底细胞癌

C.鳞状细胞癌

D.葡萄酒色斑

E.玫瑰糠疹

To tell you the truth, the accident and the damage _____resulted in frightened me so much that I almost gave up driving ever since.

A．it

B．that

C．what

D．which