a. During mystay in Britain, I hope it will be possible for me to take some courses and also do research work in your      laboratory. I myself will bear the living expenses.
b. Enclosed please find my resume and two letters of recommendation. I hope that you will take my application into       your kind consideration.
 c. I am now writing to apply for admittance to your university as a visiting scholar. 

A、b-a-c
B、a-b-c
C、c-a-b
D、b-c-a