一道GWD语法题求助！！！！

Uya

The discovery that Earth’s inner 【core rotates independently of and more quickly than Earth’s outer layers is responsible for advancing studies of the flow of heat from the inner through the outer planet and of the formation and periodic reversal in direction of Earth’s magnetic field.】

A    core rotates independently of and more quickly than Earth’s outer layers is responsible for advancing studies of the flow of heat from the inner through the outer planet and of the formation and periodic reversal in direction of Earth’s magnetic field

E  core, rotating independently of and more quickly than Earth’s outer layers, is responsible for advancing studies of the flow of heat from the inner through the outer planet and of how Earth’s magnetic field forms and the periodic reversal of its direction
A

bbltxl

E的错误很多，最明显的在于‘ is responsible for’的is做discovery的谓语，而不是做core的。
看不出来没关系，如果is 做core的主语了，那主句discovery就没谓语了；反之，从句core就没谓语了