My friend Jack has just sent me an e-mail, _______ me about his travels around the world.

A．tells

B．told

C．telling

D．to tell

伊某，男，58岁。近半年来出现口干舌燥，烦渴引饮，尿频量多，多食易饥，大便秘结，皮肤干燥，半年来体重减轻5kg，舌红而干，苔薄黄，脉细数。其病机是（）

A.阴虚

B.气阴两虚

C.阴虚燥热

D.肾阴亏虚

E.肺胃津伤