Like their counterparts in other countries, the student movement in the United States in the 1960s was a powerful one and probably helped to bring the war in Vietnam to an end.

(A) Like their counterparts in other countries, the student movement in the United States in the 1960s
(B) As in other countries, the student movement in the United States in the 1960s,
(C) Just as the student movements in other countries, the student movement in the United States in the 1960s,
(D) Like its counterparts in other countries, the student movement in the United States in the 1960s
(E) The student movement in the United States in the 1960s, like in other countries,