The Proto-Indo-European language is a central language in Eurasian history: not only are the languages of most European civilizations over the past 4000 years derived from this origin, but also of hundreds of Asian civilizations, especially those in the Indian subcontinent.
A not only are the languages of most European civilizations over the past 4000 years derived from this origin, but also of
B derived from this origin are the languages not only of most European civilizations over the past 4000 years, but also of
C the languages not only of most European civilizations over the past 4000 years are derived from this origin, but also
D not only the languages of most European civilizations over the past 4000 years are derived from this origin, but also of
E the languages are derived from this origin, not only of most European civilizations over the past 4000 years, but also
Is "this" allowed in the sentence after a semicolon referring back to a subject before the semicolon? Should the origin be repeated?