Tea was the most important item brought back by the Americans _________.

A．write an initial letter giving their life history
B．pass some exams before applying for a job
C．have no qualifications other than being able to read and write
D．keep any detailed information until they obtained an interview

A．something that would attract attention to one's application
B．a personal opinion about the organization one was trying to join
C．something that would offend the person reading it
D．a lie that one could easily get away with telling