Some people believe that the more that children listen to classical music at a young age, their advantage is greater in skills underlying both musical and non-musical abilities.

A. their advantage is greater in skills underlying both musical and non-musical abilities
B. their advantage is the greater in skills underlying both musical and non-musical abilities
C. the greater their advantage in skills underlying both musical and non-musical abilities
D. in skills that underlie both musical and non-musical abilities, their advantage is the greater.
E. in skills underlying both musical and non-musical abilities, the greater advantage is theirs.

What's the best approach to determine the answer? Can any experts help?