---Do you know Miss Tang?

---Yeah, she is an excellent teacher, ______she is famous ______a wonderful singer in our school.

A．or; for

B．but; as

C．and; for

D．so; as

患者表现为抱轮红赤，怕光流泪，患眼灼热疼痛，不愿睁眼。

若诊断为天行赤眼，它与瞳神紧小的主要鉴别点是（）

A.双眼发病

B.热泪频流

C.瞳仁大小正常

D.视力减退

E.传染性强