Directions: The following sentences test correctness and effectiveness of expression. Part of each sentence or the entire sentence is underlined; beneath each sentence are five ways of phrasing the underlined material. Choice A repeats the original phrasing; the other four choices are different. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A. If not, select one of the other choices.

Tax incentive to the salaried class has lead to a boom in the sale of residential apartment complexes; so abundant has capital been for residential real estate that builders regularly scout the country for suitable sites.