* Z's music has been popular than Y's ---OR---- than Y's IS

[vivekcall81]

Even though Béla Bartók’s music has proved less popular than Igor Stravinsky’s and less influential than Arnold Schonberg’s, it is no less important.
(A) Stravinsky’s and less influential than Arnold Schonberg’s, it
(B) Stravinsky’s and less influential than Arnold Schonberg’s, he
(C) Stravinsky’s is and less influential than Arnold Schonberg’s is, it
(D) Stravinsky and not as influential as Arnold Schonberg, he
(E) Stravinsky and not as influential as Arnold Schonberg, it

pleas clear the doubt
Z's music has been popular than Y's ---OR---- than Y's IS

[sanyalpritish]

What is the OA, my pick will be A, as "is" can be done away with.
"'s" signifies charactertics or refers to the Z's Music hence the usage of Y's make it refer to music

[Ben Ku]

Please cite the source (author) of this problem. We cannot reply unless a source is cited (and, if no source is cited, we will have to delete the post!). Thanks.