A．be a long one with all possible information about the applicantB．be a brief one with the purpose of writing made clearC．be a brief one with the purpose of writing made clear, together with a resumeD．all of the above ways are welcome
A．be a long one with all possible information about the applicant
B．be a brief one with the purpose of writing made clear
C．be a brief one with the purpose of writing made clear, together with a resume
D．all of the above ways are welcome