When did Poe start publishing his poetry and stories and pursue a career in journalism

A．Because it takes too long to process all the applications.
B．Because it is a library for special purpose.
C．Because its resources are limited.
D．Because there is a shortage of staff.

A．the change of Americans’’ attitude toward Afghanistan
B．the necessity for university students to better understand foreign culture
C．the fact that Afghanistan is affecting Americans’’ life
D．the urgency for university students to understand Afghanistan issue