In the seventh century B.C., the Roman alphabet was adapted from the Etruscan alphabet, which in turn had been adapted in the previous century from a western Greek alphabet, which itself had been adapted earlier in the same century from the Phoenician alphabet.
27. In the seventh century B.C., the Roman alphabet was adapted from the Etruscan alphabet, which in turn had been adapted in the previous century from a western Greek alphabet, which it self had been adapted earlier in the same century from the Phoenician alphabet.
A. which itself had been adapted earlier
B. adapting itself earlier
C. itself being adapted earlier
D. having been earlier adapted itself
E. earlier itself having been adapted