Read the following context and choose the best option to answer the question.
Context: do nt ask me how i managed to do it . but yes . anyway wish me luck for tmr 's test . i really hope that i 'll pass this time round .
Question: Why is the narrator expressing some heavy nerves ?
Options: 
A. The narrator believes they are ready for a test .
B. The narrator is worried about their competence for a test .
C. None of the above choices .
D. The narrator has fully studied .


B