Van Cao was known as a very talented musician. He wrote Tien Quan Ca”.

A. Van Cao, whom wrote “Tien Quan Ca”, was known as a very talented musician.

B. Van Cao, who wrote “Tien Quan Ca”, was known as a very talented musician.

C. Van Cao who wrote “Tien Quan Ca” was known as a very talented musician.

D. Van Cao was known as a very talented musician who wrote “Tien Quan Ca”.