[讨论]大全sec03-05

South Korea has witnessed the world’s most dramatic growth of Christian congregations; church membership is expanding by 6.6 percent a year, fully two-thirds of the growth  coming from conversions rather than the population increasing.
(A) coming from conversions rather than the population increasing
(B) coming from conversions rather than increases in the population
(C) coming from conversions instead of the population’s increasing
(D) is from conversions instead of population increases
(E) is from conversions rather than increasing the population

为什么选E?难道没有范Run-on的错误?fully前面不是分号啊,如果选e,前后都是独立句子而没有连词了啊
为什么不是B