大全733—that可以指代n.of n.结构？

733. The distribution of mass within the core of the Earth, like the mantle that surrounds the core, has been deduced from the orbital behavior of the Earth and the motions of satellites controlled by the gravity of the Earth.
(A) the mantle that surrounds the core
(B) that within the mantle surrounding the core
(C) that of the mantle surrounding the core
(D) the mantle the core surrounds
(E) the distribution of mass within the mantle that surrounds the core

答案是B

我开始选得E，因为不确定that可以指代the distribution of mass, 这种结构能从语法上解释下么？