As virtually all the nation's 50 busiest airports are, New York's were built for an age of propellers, before jet planes weighing 800,000 pounds needed over two miles of runway.
(A) As virtually all the nation's 50 busiest airports are
(B) As with virtually all of the nation's 50 busiest airports
(C) Like virtually all of the nation's 50 busiest airports
(D) Like the cities where virtually all the nation's 50 busiest airports are
(E) Like other cities where virtually all the nation's 50 busiest airports are
(A) As virtually all the nation's 50 busiest airports are
(B) As with virtually all of the nation's 50 busiest airports
(C) Like virtually all of the nation's 50 busiest airports
(D) Like the cities where virtually all the nation's 50 busiest airports are
(E) Like other cities where virtually all the nation's 50 busiest airports are
