267. Like Rousseau. Tolstoi rebelled against the unnatural complexity of human relations in modern society. (A) Like Rousseau, Tolstoi rebelled (B) Like Rousseau, Tolstoi's rebellion was (C) As Rousseau, Tolstoi rebelled (D) As did Rousseau, Tolstoi's rebellion was (E) Tolstoi's rebellion, as Rousseau's, was
OG: inserting did after As would make C grammatical.
My question: why it is not "As Rousseau did" but "As did Rousseau" ?