— Have you known him for a long time?

— Yes, since he ______ here after graduation.

[      ]

A. comes

B. came

C. has come

D. had come

泪器包括

A．泪腺-泪小管-泪囊-下鼻道

B．泪腺-泪点-泪小管-泪囊-中鼻道

C．泪腺-泪小管-泪囊-中鼻道

D．泪腺-泪点-泪小管-泪囊-鼻泪管

E．泪腺-泪小管-泪囊-鼻泪管-下鼻道