A)He is not very enthusiastic about his English lessons.
B)He has made great progress in his English.
C)He is a student of the music department.
D)He is not very interested in English songs.
原文：
W:Mr Jones,your student,Bill, shows great enthusiasm for music instruments.
M:I only wish he showed half as much for his English lessons.
Q:What do we learn from the conversation about Bill?