For those who walk through the surrounding maze of streets, the dynamics
that make Buenos Aires—one of the great immigrant cities of the developing world—comes into focus.
Split 1 - SV Agreement "Dynamics...make" NOT "Dynamics... makes"
(A) that make Buenos Aires—one of the great immigrant cities of the developing world—
comes into focus
(B) that make Buenos Aires, which is one of the great immigrant cities of the developing world,
comes into focus
(C) which make Buenos Aires one of the great immigrant cities of the developing world
comes into focus
"Making to be" doesn't make sense. The sentence is trying to say that the dynamics make the city come into focus.
(D) making Buenos Aires
to be one of the great immigrant cities of the developing world come into focus
(E) making Buenos Aires one of the great immigrant cities of the developing world come into focus