Although he is considered a great writer, ___ .A.his works are not widely read B.but his works are not widely read C.however his works are not widely read D.still his works are not widely read为甚麼是A?

Although he is considered a great writer, ___ .
A.his works are not widely read B
.but his works are not widely read
C.however his works are not widely read
D.still his works are not widely read
为甚麼是A?

although不能与but,however连用,D的句序不对

A
应为有一个“，”