有关沙眼衣原体致病性的描述正确的是

A．性病淋巴肉芽肿生物变种(LGV)可引起性病淋巴肉芽肿

B．沙眼生物变种的14个血清型均可引起沙眼

C．沙眼生物变种D-K血清型可引起沙眼

D．沙眼生物变种A、B、Ba、C四个血清型可引起泌尿生殖道感染

E．沙眼生物变种A、B、Ba、C四个血清型可引起包涵体结膜炎

Kate looked so sad at the news that she failed in the exam that I didn't know what to say to ____ her. [      ]

A. treat  

B. interest

C. comfort  

D. annoy