The Golden Gates Bridge has been quite (i)____________ by most aesthetic and functional criteria. However, as a structure it has had some limitations. Shortly after it opened, its roadway proved to be (ii)____________ under certain wind conditions, so it was stiffened. The additional steel that provided that stiffening naturally added weight to the structure, and this made it (iii)____________ later to add a proposed rail system beneath the roadway. A. inadequate B. quite noisy C. unnecessary D. unusual E. overly flexible F. impossible G. successful H. dangerously windswept I. feasible